The Kasa Outdoor Smart Plug EP40 is the best smart plug for outdoor lights in 2026, because it combines two independently controlled outlets with a verified IP64 weather rating, a genuine 15A/1875W rating per socket and sunset-based scheduling that works without a hub. It is also the most established option in this group, with more than 17,000 ratings behind it. Everything else in this roundup is a variation on that idea, and a few are variations worth having.
An outdoor smart plug is a weather-resistant outlet that joins your Wi-Fi network so you can switch exterior lighting on and off from a phone, a voice assistant or a schedule. The reason outdoor lights need one is simple: string lights, holiday decorations, garden and pathway lighting and patio fixtures almost never have a wall switch. You either climb a ladder every evening or you automate it, and automation means putting a smart relay somewhere the rain can get at it.
We compared ten outdoor smart plugs side by side for this guide. The set covers dual-outlet and single-outlet designs, one dimmer, one Matter-certified model, one six-outlet yard stake and one plug that only speaks to Alexa. We checked every IP rating against the manufacturer spec sheet, worked out how much wattage each one can actually switch for string lights, and looked hard at cord length, because that is the flaw that quietly ruins more outdoor installs than anything else.
Two threads showed up constantly in reader discussions while we worked on this. Home Assistant and Hubitat users mostly want local control and are unimpressed by cloud-only plugs, and a lot of owners quietly solved their outdoor problem by putting an ordinary indoor plug inside a weatherproof in-use cover rather than buying a purpose-built model. Both are legitimate answers, and we cover them further down.
Table of Contents
- Top 3 Outdoor Smart Plugs for Lights (October 2026)
- Best Smart Plugs for Outdoor Lights in 2026: At a Glance
- 1. Kasa Outdoor Smart Plug EP40 – Best Overall for Two Lighting Zones
- 2. TREATLIFE Outdoor Dimmer Plug DP10 – Best for Dimmable String Lights
- 3. Kasa Outdoor Smart Plug KP401 – Budget Pick with a Single 15A Outlet
- 4. meross Outdoor Smart Plug MSS620 – Best for Apple Home
- 5. GE Cync Outdoor Smart Plug – Best for Control Without the Internet
- 6. Amazon Basics Outdoor Smart Plug – Best Weather Rating for Alexa Homes
- 7. Geeni Indoor Outdoor Smart Plug – Best for Yard Lights and Simple Schedules
- 8. Wyze Plug Outdoor – Best for Energy Monitoring
- 9. DEWENWILS WiFi Yard Stake TW16 – Best for Many Light Runs at Once
- 10. Tapo Matter Outdoor Smart Plug P400M – Best for Matter and Harsh Climates
- What IP44, IP64 and IP65 Actually Mean for Outdoor Lights
- How to Choose an Outdoor Smart Plug for Lights
- Sunset Automation Recipes for Outdoor Lights
- Installation and Safety Notes for Outdoor Smart Plugs
- Frequently Asked Questions
- The Best Smart Plug for Outdoor Lights in 2026
Top 3 Outdoor Smart Plugs for Lights (October 2026)
Before the full list, these are the three we would actually put on a wall right now. The Kasa EP40 is the default choice for most people, the TREATLIFE dimmer is the only pick here that changes brightness rather than just switching on and off, and the Wyze Plug Outdoor is the one to buy if you want to know what your holiday lights are actually costing you in electricity.
Kasa EP40 Outdoor Smart Plug
- Two independently controlled outlets
- IP64 weather resistance
- 15A/1875W per socket
- Sunrise and sunset scheduling
TREATLIFE Outdoor Dimmer Plug
- Dims dimmable string lights
- 400W incandescent and 150W LED ceiling
- IP44 housing
- Vacation mode
Wyze Plug Outdoor
- Built-in energy monitoring
- Dual outlets
- IP64 weather resistance
- IFTTT support
Best Smart Plugs for Outdoor Lights in 2026: At a Glance
Every plug in the table below handles the basics of outdoor lighting, but they are not interchangeable. The columns that actually change your experience are the IP rating, which decides where you are allowed to hang the thing, and the outlet count, which decides how many separate runs of lights you can control.
| Product | Specifications | Action |
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| Kasa Outdoor Smart Plug EP40 |
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| TREATLIFE Outdoor Dimmer Plug DP10 |
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 Kasa Outdoor Smart Plug KP401 |
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 meross Outdoor Smart Plug MSS620 |
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 GE Cync Outdoor Smart Plug |
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 Amazon Basics Outdoor Smart Plug |
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 Geeni Indoor Outdoor Smart Plug |
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| Wyze Plug Outdoor |
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 DEWENWILS WiFi Yard Stake TW16 |
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 Tapo Matter Outdoor Smart Plug P400M |
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If you want the short version: the Kasa EP40 and the Tapo P400M are the two we would consider first, because they carry the strongest weather ratings in the roundup and the widest ecosystem support. The Amazon Basics plug matches them on weather rating but only works inside the Alexa world.
1. Kasa Outdoor Smart Plug EP40 – Best Overall for Two Lighting Zones
Kasa Outdoor Smart Plug, Smart Home Wi-Fi Outlet with 2 Sockets, EP40
IP64 weather resistance
Two independent 15A/1875W outlets
6 inch cable with clamp
Sunrise and sunset offset
Pros
- Two independently controlled sockets from one outdoor receptacle
- IP64 rating that holds up through winter temperatures
- Up to 300 ft Wi-Fi range with a built-in power amplifier
- Sunset and sunrise offset scheduling plus a countdown timer
- Reconnects on its own after a power outage
Cons
- Rigid vertical plug head fights a horizontal in-use receptacle cover
- 6 inch cord can hang low over a puddle on low-mounted sockets
- 2.4GHz Wi-Fi band only
- Occasional defective relay reported on arrival
Two independently switched sockets, a 15A/1875W rating on each one and an IP64 enclosure in a package that most people install once and forget about. This is the plug we ended up recommending to friends first, because it does the three things that actually matter for outdoor lighting without asking you to change anything about how you use your phone or your voice assistant.
The sunset and sunrise offset scheduling is the feature that turns it from a remote switch into an automation tool. You set an offset in minutes, and the plug looks up local sunset times for your area and switches on when the light goes. Owners with holiday displays and garden lighting use that far more than the manual on/off, and it is the reason the Kasa app feels worth keeping installed.
Range is the quiet strength here. The built-in power amplifier gives it a claimed 300 ft in open space, which is enough to reach a socket on a far corner of a yard or a soffit above a garage from a router inside the house. Combined with automatic reconnection after power outages, it is the least hands-on plug in this group once it is installed.
The complaints cluster around physical fit rather than electronics. The plug head points straight out and does not rotate, so it can be awkward under a horizontally oriented in-use receptacle cover. The 6 inch cable is short enough that on a low-mounted exterior socket the plug body can sit where water collects. Neither is a dealbreaker, but both are worth checking against your outlet before you buy.
What you get for the money
You get two separately timed lighting zones from a single exterior receptacle, which means one strand of patio string lights on a sunset schedule and a second run of holiday lights on a fixed timer, controlled from the same Kasa app. Grouping with other Kasa bulbs, plugs and switches is supported, so a full Kasa household can build scenes that mix indoor and outdoor lighting.
There is no hub, no subscription and no separate account beyond the free Kasa app. It works with Alexa and Google Home straight out of the box, and the ETL certification and 2 year warranty are a reasonable baseline for a device that will sit outside through several seasons.
Where it falls short
If you are running Home Assistant and want local control, this is not the plug for you, because command and status both run through TP-Link’s servers. If your lights are dimmable and you want them dimmable from an app, this is also the wrong tool. It switches on and off, full stop.
It is 2.4GHz only, like nearly everything in this category, so on a dual-band router you may need to temporarily split the bands during setup. And if your outdoor receptacle is a horizontal in-use cover, check the clearance before ordering, because the fixed vertical plug head is the single most repeated physical complaint about this design.
2. TREATLIFE Outdoor Dimmer Plug DP10 – Best for Dimmable String Lights
TREATLIFE Smart Dimmer Plug Outdoor Smart Plug Works with Alexa and Google Home, Light Dimmer APP Remote Control, Max Power 400W, IP44 for Dimmable Outdoor String Lights, Floor Lamp, Table Lamp
Dims to 400W incandescent or 150W LED
IP44 fireproof ABS housing
Sunrise sunset and vacation modes
2.4GHz Wi-Fi only
Pros
- Adds real dimming to dimmable outdoor string lights
- Brightness slider and percentage control in the app
- Works manually from the on-device button
- Sunrise and sunset automation plus vacation mode
- Owners report it holding up in rain
Cons
- Only works with dimmable bulbs
- 150W LED ceiling is low against 15A on off plugs
- Saved schedules can be wiped by a power interruption
- Pairing can take several retries on some routers
This is the only dimmer in the roundup, and that single fact answers the most common question we saw asked about outdoor smart plugs: a standard on/off plug cannot dim anything. If your string lights have a dimmer, or you want your patio lights down to 30 percent at 10pm instead of off, this is the model that does it.
It runs through the TreatLife and Smart Life apps, so it sits in a much larger app ecosystem than a Kasa plug does, and the scheduling options include both sunrise and sunset modes and a vacation mode that randomises switching to look like someone is home. The physical button on the device gives you instant on, off and press-and-hold dimming when the network is being difficult.
The load ceiling is the important spec here, and it is much lower than the on/off plugs. It handles up to 400W of incandescent or 150W of dimmable LED and CFL, which is comfortably more than a typical string of patio lights but far less than the 1875W an on/off plug will carry. The amperage rating is 3.33A, so treat this as a lighting-only device.
Compatibility is strict in a way that trips people up. Non-dimmable bulbs will not work, and neither will smart bulbs, fans, transformers, motorised devices or 0-10V low-voltage systems. If you already have colour-changing or smart bulbs in your outdoor setup, this is the wrong product and no amount of configuration will change that.
Best used for patio and bistro lighting
Dimming is genuinely useful for a covered patio, a deck dining area or a pergola, where full brightness at 9pm is uncomfortable and full off leaves you in the dark. The percentage control through voice assistants works with both Alexa and Google Assistant, so dimming is one spoken command rather than an app dive.
If you are pairing this with patio string lights for a backyard, check that the strands you own are dimmable before you commit. Most budget warm-white strands are not, and the plug will simply refuse to dim them.
Where it falls short
The 3.33A and 150W LED ceiling is a genuine limit compared with 15A on/off plugs, and some owners report that saved schedules are cleared when the unit loses power, which matters if you rely on a timer for a holiday display you do not visit every day.
Wi-Fi pairing can take several attempts on some routers, and the cord is short enough that you may need an extension lead to reach a comfortable mounting height. The vertical plug orientation can also block the second socket of a weather-protected outdoor outlet.
3. Kasa Outdoor Smart Plug KP401 – Budget Pick with a Single 15A Outlet
Kasa Outdoor Smart Plug KP401, Smart Home Wi-Fi Outlet Timer
Single 15A/1875W outdoor outlet
IP64 weather resistance
Rotatable plug head
2.4GHz Wi-Fi only
Pros
- Compact single outlet keeps the second socket free
- Genuine 15A/1875W rating
- Reported working near -30F for almost two years
- Rotatable head improves Wi-Fi reception
- Existing Kasa users add it in minutes
Cons
- 90 degree plug head blocks a second smart plug in the same duplex
- Weather resistant rather than waterproof
- About 7 inch cord can leave the socket hanging low
- Sparse in-box documentation
The KP401 is the Kasa outdoor plug for anyone whose outdoor receptacle has one free socket and a second thing competing for it. A single 15A/1875W outlet in a smaller body, it gets out of the way and gives you one properly rated lighting circuit.
What stands out is the cold-weather record. One owner reports the plug working at -30 degrees for nearly two years, and that is the kind of durability claim that matters in a category where most feedback comes from a mild December. The rotatable plug head, which turns 90 degrees, is a small design touch that improves antenna orientation and therefore Wi-Fi reception at the edge of the network.
It also works with Hubitat and other local automation platforms, which is more than most Kasa outdoor models can claim in practice, and it supports SmartThings alongside Alexa and Google Assistant. Scheduling, countdown timers and sunrise and sunset offset are all in the same app as the rest of the Kasa range.
Keep in mind that this is weather resistant, not waterproof. The attached cover protects the socket when nothing is plugged in, but a loaded outdoor plug is always a compromise, and in driven rain you want this under a soffit or eave rather than out in the open.
Why a single outlet can be the smarter pick
If you only have one run of lights, a dual-outlet plug is just extra bulk hanging off a receptacle that might already be full. The KP401 takes up less room, keeps the second socket available for a hose or a tool, and still gives you the full 15A that on/off outdoor lighting demands.
It is also the easiest of the Kasa outdoor models to add to a house that already runs Kasa bulbs and indoor plugs, because everything lands in one app with one set of scenes. If you are building out smart plug automation elsewhere in the house, one app is genuinely easier to live with than three.
Where it falls short
The rigid 90 degree plug head blocks a second smart plug in the same duplex outlet, which pushes people toward extension cords, and extension cords are where outdoor safety gets murky. The roughly 7 inch cord is also short, so a low-mounted receptacle can leave the body hanging where you do not want water pooling.
Documentation in the box is thin, and plenty of settings need the website FAQ. It also requires the Kasa app and a Kasa account even if all you ever intend to do is talk to a voice assistant.
4. meross Outdoor Smart Plug MSS620 – Best for Apple Home
meross Outdoor Smart Plug Work with HomeKit, Alexa, Google and SmartThings
Native Apple HomeKit and Siri
Two independently controlled sockets
IP44 weatherproof housing
MediaTek chipset for range
Pros
- The only outdoor plug here with native Apple HomeKit and Siri
- Two independently controlled AC outlets
- MediaTek chipset delivers better range and fewer dropouts
- Fire-retardant housing with overload protection
- Sunrise and sunset scheduling
Cons
- Setup runs through the meross app only
- HomeKit remote control needs a HomePod or Apple TV
- Manufacturer guidance excludes pump loads
- IP44 sits below the IP64 and IP65 of rivals
If your household runs Apple Home, this is the outdoor smart plug that actually joins your Home app without a bridge. Siri control, Apple Watch control and native HomeKit pairing are all supported, and that alone puts it ahead of the Kasa, Tapo and Wyze models for anyone who has already standardised on Apple.
The hardware underneath is the MediaTek IoT chipset, which is chosen for connection range and a lower offline rate rather than raw speed. In practice owners report steadier connections than cheaper plugs, and both sockets can be scheduled independently including sunrise and sunset offsets.
The housing is fire-retardant ABS with an overload protection circuit, and it carries both FCC and ETL certification. Voltage is 110V and bulbs can be LED, CFL or incandescent, so there is no dimmer compatibility question to worry about. Two sockets means a front garden and a hedge run can be on separate schedules from one receptacle.
One thing to know about the HomeKit side: remote control from outside the home requires an Apple hub such as a HomePod or an Apple TV. Standing next to the plug and asking Siri to switch the lights on works without it. Away-from-home control does not.
What Apple Home users gain
Matter-style neutrality, but before Matter. The plug appears in the Home app alongside your other accessories, sits in rooms, and responds to scenes and Siri phrases the same way your indoor plugs do. For a household already paying attention to that ecosystem, that consistency is worth more than an extra few watts of load rating.
It is also one of the easier plugs to run from a local platform. meross publishes a LAN integration that Home Assistant users use to keep control on the local network, which addresses the cloud-dependence concern that comes up constantly in discussions about budget smart home gear.
Where it falls short
IP44 is a step below the IP64 of both Kasa models and the IP65 of the Tapo and Amazon Basics plugs in this roundup, so it is a better choice for a covered soffit or a sheltered patio than for an exposed wall. The manufacturer also does not intend it for pump loads, which rules it out for fountains.
Setup is meross app only, so if you are trying to keep your household in one app and that app is not meross, you are adding a second one. And away-from-home HomeKit control needs extra Apple hardware, which is an extra cost to weigh against a plug that already costs more than the budget options.
5. GE Cync Outdoor Smart Plug – Best for Control Without the Internet
GE Cync Smart Plug, Outdoor Bluetooth and Wi-Fi Outlet Socket, Weather Resistant Plug, Works with Alexa and Google, Black (1 Pack)
Bluetooth plus Wi-Fi connectivity
Dusk based routines in the Cync app
Weather resistant covers
Rated to 15A
Pros
- Bluetooth keeps the plug controllable when the internet is down
- Weather resistant covers suit outdoor string lights
- Scheduling includes turning lights on at dusk
- Owners report stable connections and solid build
- Works with Alexa and Google Home
Cons
- Setup instructions are not as clear as they should be
- Some users get only one of the two outlets recognised by Alexa
- Occasional Wi-Fi dropouts on certain Netgear routers
- Some owners report cheap-feeling construction
The GE Cync outdoor plug is the only one in this roundup that keeps working when your internet does not. Bluetooth handles local control on the plug itself, and Wi-Fi handles remote access and scheduling, so if the router reboots or the connection drops you can still switch the patio lights from your phone standing next to it.
That dual connectivity is a genuine advantage for a device that lives outside, where signal quality is unpredictable. Scheduling in the Cync app includes dusk-based routines, which is exactly the behaviour outdoor lighting needs, and the outlet covers are weather resistant with 3-prong plug compatibility for standard string light plugs.
Load handling is rated to 15A, so it is comfortable for holiday displays and garden lighting. The app is powered by Savant, which is a well-resourced platform, and once setup is done the plug works with Alexa and Google Home for voice control.
The negative feedback is mostly about the first ten minutes. Owners report that the setup instructions are not as clear as they should be, and that some of them could only get one of the two outlets recognised by Alexa. The fix is usually to remove the plug, power cycle it and let the assistant rediscover both sockets.
When a local fallback actually matters
Think about where the plug is. An outdoor socket on a detached garage or at the far end of a driveway is exactly where Wi-Fi gets thin, and a plug that can still be operated at close range when the signal gives up is a real safety net. It also means a router reboot does not leave your holiday lights stuck on until you walk out and press something.
If you are pairing this with motion sensor outdoor lights for a garage and want a single switchpoint for the whole area, the dual outlet design gives you two zones to work with. Some users also use it for fountains, though that is outside what we would recommend for a lighting-focused setup.
Where it falls short
Setup friction is the headline complaint, and pairing issues with Alexa discovering only one outlet are common enough that you should budget a little patience for it. Connectivity dropouts appear to be router-specific, with a few owners resolving them after working through it with GE support on certain Netgear routers.
There is also a durability question mark. Some owners describe the construction as cheap-feeling and report long-term wear, and the Cync app has historically not been available on iOS in Mexico, which matters only if that is where you are reading this.
6. Amazon Basics Outdoor Smart Plug – Best Weather Rating for Alexa Homes
Amazon Basics Outdoor Smart Plug with 2 Individually Controlled Outlets, Works with Alexa Only, Voice Control, Weather Resistant, 2.4 GHz Wi-Fi, No Hub Required, Black
IP65 rated enclosure
Two independently controlled 15A outlets
Setup inside the Alexa app only
2.4GHz Wi-Fi only
Pros
- Strongest weather rating in this group at IP65
- Two independently controlled outlets up to 15A
- Zero-touch setup in the Alexa app with no hub or skill
- Schedules and routines handled entirely in Alexa
- UL specification met
Cons
- Alexa only with no Google Home Apple Home or SmartThings support
- 2.4GHz Wi-Fi only
- No energy monitoring and no dimming
The Amazon Basics outdoor plug has the best weather rating in this roundup and the easiest setup of anything here. IP65 means low pressure water jets from any direction, condensation and spray, which puts it alongside the Tapo P400M as the two models you can be most relaxed about in a wet climate.
There is no third-party app, no hub and no skill to enable. You open the Alexa app, add the plug, and it appears as a routine-ready outlet. Schedules, routines and multi-outlet grouping are all configured in the same app you already use to turn lights on when you say a phrase.
Two independently controlled outlets at up to 15A each means a front path run and a porch light can be on different schedules from one receptacle, and the load ceiling easily covers a full holiday display of LED string lights. It is UL specified, and the enclosure is PC and rubber rather than bare plastic.
The whole trade is ecosystem lock-in, and it is a hard one. There is no Google Home, no Apple Home and no SmartThings support at all, so if you ever move away from Alexa this plug becomes considerably less useful. That is a real risk in a category where the smart home platform question tends to get revisited.
Best for a household that has already chosen Alexa
If Alexa runs your lights, your locks and your thermostat already, this plug is almost frictionless. Nothing to download, nothing to link, and the routine builder is the same one you already use for indoor automations, so a sunset-triggered outdoor scene takes about a minute to build.
It pairs particularly well with seasonal displays. Our pick for the actual bulbs to plug into it is in our outdoor Christmas lights roundup, and a two-outlet Alexa plug gives you a way to split a front display into two timed zones without any extra hardware.
Where it falls short
Alexa only, with no fallback app and no third-party platform support, is the entire downside. There is also no energy monitoring, so you cannot see what a display is drawing, and no dimming, so brightness is fixed at whatever the bulbs do.
Like everything else here it is 2.4GHz only, which can trip up pairing on a dual-band router. And because control lives inside Amazon’s ecosystem, it carries the same cloud-dependence risk as the Kasa and Tapo models if you ever change platform.
7. Geeni Indoor Outdoor Smart Plug – Best for Yard Lights and Simple Schedules
Geeni Indoor/Outdoor Smart Plug Weatherproof, 1 Socket –No Hub Wireless Remote Control and Timer –Works with Amazon Alexa, Google Assistant, Requires 2.4 GHz Wi-Fi, Black
Weather resistant socket cover
Compact housing with hanging buckle
Alexa Google Assistant and Cortana
No hub required
Pros
- Works reliably through rain and snow for outdoor Christmas lights
- Setup in the Geeni app takes about five minutes for most users
- Scheduling plus a timer for holiday lights and sprinklers
- Runs cooler to the touch than some competing switches
- Hanging buckle makes mounting simple
Cons
- Occasional reports of units failing within days
- Cord length could be longer
- Some iPhone users need tech support to sync
- Scheduling interface needs both on and off actions entered
The Geeni is the simplest plug here and the one most likely to be running on a timer you set once and never touch again. It has a single socket, a weather-resistant cover, and a hanging buckle on the housing that lets you mount it to a hook, a railing or a stake without a bracket.
Owners using it for outdoor Christmas lights report that it works reliably through rain and snow, and several use it for sprinklers as well as lights, which is a hint about where the boundaries are. For lighting, the scheduling plus timer combination covers the common cases without any complicated setup.
Setup in the Geeni app takes about five minutes for most people, and it talks to Alexa, Google Assistant and Microsoft Cortana, so voice control is available whichever assistant is at home. It needs 2.4GHz Wi-Fi and no hub. Several owners also note that it runs cooler to the touch than competing smart switches, which is a decent sign about the relay and the enclosure.
The durability tail is the thing to watch. There are reports of units that stopped staying connected or stopped switching within days of use in fine weather, and the cord is short enough that owners regularly comment on it. If your outdoor socket is far from where the lights are, plan around the lead length.
A good fit for simple, set-and-forget control
If you want one run of lights that comes on at a fixed time every evening, this is a competent and uncomplicated way to do it. The named devices feature means you can label it something like front garden rather than hunting through a list of generic outlet names, and the schedule entries can be set once and left alone.
It is also a reasonable companion to outdoor Christmas light sets that only need to be on for a few hours a night, particularly where the display is seasonal and the plug stays out on a covered socket all year.
Where it falls short
Reliability is the biggest concern, with a meaningful share of one-star reviews describing units that failed early. The scheduling interface also asks you to enter separate on and off actions, which is a small extra piece of work compared with a single time slider, and some iPhone owners need tech support to complete the initial sync.
There is one socket rather than two, so a duplex outdoor receptacle gives you room for only one smart plug, and there is no dimming or energy monitoring. Cord length is the other recurring complaint.
8. Wyze Plug Outdoor – Best for Energy Monitoring
Wyze Plug Outdoor, Dual Outlets Energy Monitoring, IP64, 2.4GHz WiFi Smart Plug, Works with Alexa, Google Assistant, IFTTT, No Hub Required, Black
Built-in energy monitoring
Dual outlets with IP64 rating
Wi-Fi and Bluetooth
IFTTT automations
Pros
- The only plug in this roundup with built-in energy monitoring
- Dual independently controlled outlets
- IFTTT support for flexible automations
- IP64 weather resistance and ETL certification
- Rated to 15A for string lights and other outdoor loads
Cons
- Highest price point of the outdoor plugs compared here
- 2.4GHz Wi-Fi only
- No Apple HomeKit or Matter support
The Wyze Plug Outdoor answers the question nobody else on this list does: how much are your outdoor lights actually drawing. It has built-in energy monitoring, so you can watch a holiday display in real time in the app, compare it against last year’s run, and see exactly what a month of evening switching costs you.
Everything else about it is a solid dual-outlet outdoor plug. Two independently controlled sockets, IP64 weather resistance, Wi-Fi and Bluetooth connectivity, a 15A rating and ETL certification. IFTTT support is a nice extra for people who want to tie switching to something other than a clock.
For a big seasonal display this is genuinely useful information rather than a gimmick. A run of LED string lights drawing a few watts each becomes a real number you can compare against turning the whole thing on for six hours a night, and monitoring also catches a failing strand or a leaky transformer that would otherwise go unnoticed until the bill arrives.
The Bluetooth radio is there for setup and local control, and the plug works with both Alexa and Google Assistant without a hub. It is a rubber-bodied 120V device rated to 15A, so it has the headroom for string lights, path lights and patio lighting together.
Where energy monitoring earns its keep
Two situations make this worth the step up in cost. The first is a large holiday display where the running total is genuinely surprising and you want to know it before switching everything on again next year. The second is an older set of incandescent or halogen lights that you suspect are costing more than you think, and the app will show you in watts before you replace anything.
The IFTTT channel also makes it the most flexible plug in the group for automations that are not time-based, such as switching garden lighting on when a doorbell camera detects movement or tying a second zone to a motion sensor from a separate system.
Where it falls short
It is the most expensive plug in this roundup, and that cost only makes sense if you will use the monitoring data. If you just want two outdoor sockets on a schedule, the Kasa EP40 does the same job for a good deal less.
There is no Apple HomeKit and no Matter support, so if you plan to move to a newer platform later this plug is on the wrong side of that transition. It is 2.4GHz only, as is everything else in this category, and the app ecosystem means cloud dependence just like the Kasa models.
9. DEWENWILS WiFi Yard Stake TW16 – Best for Many Light Runs at Once
DEWENWILS WiFi Smart Yard Stake Timer Plug, Outdoor Power Stake Timer
Six grounded outlets on a 6 foot cord
Shared schedule for all sockets
Overload protection at 15A/1875W
Waterproof outlet bank cover
Pros
- Six grounded outlets from a single yard stake
- 6 foot 14AWG cord gives a large installation radius
- Mounting holes allow screw-mounting instead of staking
- Waterproof cover keeps the outlet bank dry
- Works with Google Home and the Smart Life app
Cons
- All six outlets share one schedule
- Supplied plastic ground stake is flimsy
- Cover can be hard to close with six plugs inserted
- Dusk scheduling uses calculated times not a light sensor
Every other plug here powers one or two runs of lights from a socket that already exists. The DEWENWILS TW16 solves a different problem: it is a 6 foot cord with a bank of six grounded outlets at the end, meant to be pushed into a flower bed in the middle of your yard so everything plugs into it in one place.
That 6 foot 14AWG SJTW lead is the real feature. Most outdoor smart plugs force you to be within about 6 inches of an existing exterior receptacle, which is why so many installs end up involving extension cords. This one gives you a metre and a half of reach and six sockets to fill.
Overload protection is specified at 15A/1875W resistive, 8A/1000W for tungsten and half a horsepower, and the housing is fireproof polycarbonate under a waterproof cover over the outlet bank. It pairs over 2.4GHz Wi-Fi with Alexa and Google Assistant through the Smart Life app, and dusk and dawn scheduling is calculated from local times.
The important limitation is that all six sockets share one schedule and one manual power button. You cannot put a different timer on the pathway lights and the holiday lights, and if you want per-zone control you are back to a dual-outlet plug near a receptacle.
Best for gardens with no nearby outlet
If your lights are strung across a patio, a pergola and a garden bed and there is no exterior socket within reach, this solves the layout problem that extension cords create. One stake, one cord, six grounded outlets, and the whole display switches on at dusk and off at a fixed hour.
The mounting holes on the back are worth knowing about, because several owners have given up on the included stake and screwed the unit to a wall or a deck instead. That turns it into a general weatherproof deck plug, and if you do not need Wi-Fi control it is a serviceable answer on its own.
Where it falls short
This is the lowest-rated plug in the roundup at 4.2, and the one-star share is the largest of the ten. The recurring complaints are the shared schedule, the flimsy supplied ground stake, a cover that is hard to fully close once six plugs are inserted, and a portion of owners reporting units that stopped switching after a few weeks outdoors.
There is no independent outlet control, no dimming and no energy monitoring, and dusk scheduling is based on calculated clock times rather than a real light sensor, so a heavily overcast afternoon will not bring the lights on early the way some other plugs will.
10. Tapo Matter Outdoor Smart Plug P400M – Best for Matter and Harsh Climates
Tapo Matter Outdoor Smart Plug, 2 Individual Outlets, P400M
Matter support across four platforms
IP65 rated from -4F to 122F
Dual antennas rated to 300 ft
Two 15A/1800W outlets
Pros
- Matter support works across Apple Home Alexa Google Home and SmartThings
- IP65 rating with a -4F to 122F operating range
- Two independently controlled AC outlets
- Dual antennas give stronger Wi-Fi coverage than most rivals
- Mounting screw and post keep the plug secure
Cons
- Smallest review count in this roundout at roughly 1077 ratings
- 2.4GHz requirement applies to Matter commissioning
- 6 inch cord is short for outlets away from the lights
The Tapo P400M is the newest listing in this roundup and the only one here with native Matter support, which means it joins Apple Home, Alexa, Google Home and SmartThings without being tied to the company that built it. For anyone starting a smart home now, that platform flexibility is the argument for this plug.
The physical spec sheet is strong too. IP65, a stated operating range of -4F to 122F, two independently controlled outlets at 15A/1800W each, and dual antennas rated at 300 ft in open field and 164 ft through three concrete walls. That last figure is the useful one, because it is a more realistic number than the open-field claim most brands lead with.
It also includes a mounting screw and a stabilising post, which fixes the physical complaint that runs through most of this roundup. A plug that stays put through repeated plug and unplug cycles will not be jostled out of a wet socket in a storm, and the contact housing is UL94-V0 flame-retardant polycarbonate.
The honest caveat is history. With roughly 1,077 ratings it is the newest product here, and it does not yet have the multi-season outdoor track record that the Kasa models have built up. It also has the shortest cord in the group at 6 inches, so the socket needs to be close to where the lights hang.
Why Matter matters for outdoor lights
Matter is a shared standard, so a plug bought today keeps working if you change platforms later. An outdoor smart plug is the kind of device you are likely to leave installed for a decade, and one that would stop responding because its manufacturer moved on is a real long-term risk. That concern comes up constantly in Home Assistant and SmartThings communities.
In practice, commissioning still happens through the Tapo app and still needs 2.4GHz Wi-Fi, so Matter does not remove the setup friction. What it removes is the lock-in afterwards. For a house that may be rewired around a different assistant in the next few years, that is a reasonable trade for the shorter cord.
Where it falls short
The 6 inch cord is the first thing to measure, because it is the shortest here and it is the flaw most likely to send you toward an extension cord. If your exterior socket is well away from where the lights actually hang, choose a longer-lead option or a different approach entirely.
With about 1,077 ratings there is not yet the long-term reliability history to lean on, and no owners have yet reported three winters of use on it. The rated operating range of -4F to 122F is excellent on paper, but sub-zero experience in the wild is still accumulating.
What IP44, IP64 and IP65 Actually Mean for Outdoor Lights
Every outdoor plug in this roundup quotes an IP rating, and most marketing copy uses the word waterproof when it should not. Here is what the two numbers actually mean, and what they mean for the lights you are plugging in.
The first digit after IP is protection against solid objects. The second is protection against water. IP44 means protected against solid objects over 1 mm and against water splashing from any direction. IP64 means the same solid protection, plus protection against water jets from any direction. IP65 adds protection against low pressure water jets from any direction, which is the level that starts to feel like a real weather rating rather than a formality.
For lights, the practical translation is simple. IP44 suits a covered location: a soffit, an eave, a sheltered patio wall, a receptacle under an overhang. IP64 handles an exposed wall with occasional wind-driven rain. IP65 is the one to buy if the socket is genuinely out in the open and you are not planning to cover it.
Here is the part almost nobody tells you. An IP44 rating only applies when the socket flaps are closed and nothing is plugged in. The moment you insert a string light plug into a weatherproof smart plug, the weather protection of the smart plug itself largely stops mattering, because the connection is now no longer a sealed face. That is why the socket covers on these products exist, and why under-cover placement is the honest recommendation from most of them.
The second number people misread is temperature. A plug can be IP65 and still have no stated operating range at all, which tells you nothing about a Minnesota January. Only two plugs in this roundup publish a temperature range, and the Tapo P400M is the one with an explicit -4F to 122F figure.
One more word on the marketing. Water-resistant, weather-resistant and waterproof are used interchangeably by brands, and none of them is a standard term. Only the IP code is standardised, so check the code and not the adjective next to it.
How to Choose an Outdoor Smart Plug for Lights
Here is the checklist we used, in the order that actually matters when money and effort are limited. Work down it and the right model becomes obvious for your setup.
1. Match the IP rating to the placement, not to the product name. Under a soffit or eave, IP44 is enough. On an exposed wall in a wet climate, look for IP64 or higher. The Amazon Basics and Tapo plugs are the two IP65 models here, and the two Kasa models sit at IP64.
2. Count your lighting zones before you count your outlets. A dual-outlet plug gives you two independently scheduled runs of lights from one receptacle, which is the difference between one timer and two. If you have three zones, you need either two plugs or a multi-outlet device, and the fixed vertical plug heads on several of these models mean the second socket of a duplex receptacle may not be usable.
3. Do the wattage maths before you buy. A 15A outlet on a 120V circuit carries up to 1875W. Add up the wattage on the box for every strand you plan to run, and remember that the figure on the box is the bulb wattage, not the wattage with the driver. A typical 25-strand LED string draws 25W or so, so eight of them sit comfortably under 200W. The TREATLIFE dimmer tops out at 150W for LED, which is fine for a patio but not for a full property display.
4. Measure the cord before you order anything. This is the number one complaint we found across forum discussions, and the short power cord is the flaw that quietly makes an otherwise good plug unusable. Every plug in this roundup has a lead between about 6 and 7 inches, which only works if your exterior receptacle is close to where the lights hang. If it is not, the honest options are a long-lead outdoor timer such as the DEWENWILS stake, or the weatherproof socket approach described further down.
5. Expect to pair on 2.4GHz. All ten plugs here are 2.4GHz only, which is a 20-year-old limit that persists because it keeps the hardware cheap and the connection reliable. On a dual-band router, split the bands temporarily during setup, pair the plug, then put the bands back together. Every owner who struggled at setup made this mistake, and almost none of them mention it in their review.
6. Pick the app you will actually keep. Kasa plugs go in the Kasa app, Tapo plugs in the Tapo app, TREATLIFE in the Smart Life ecosystem, meross in the meross app, and the Amazon Basics plug in Alexa with no app of its own. More apps means more logins, more notifications and more firmware to keep current. If you already run one of these ecosystems, stay in it.
7. Decide how much cloud dependence you accept. These plugs are cloud-connected by default, and if a manufacturer retires a product line the hardware can stop responding even though the outlet still physically works. That risk is lower for the Tapo P400M because Matter support is a platform-level commitment rather than a single-company promise. For Home Assistant users, the meross plug has a documented LAN integration that keeps control local.
8. Consider Z-Wave or Zigbee if you already run a hub. Hub-based outdoor plugs are fewer and pricier, and community reviewers often describe them as dated next to cheap hubless Wi-Fi options. The counter-argument is range and reliability: a Z-Wave outdoor dimmer plug with a built-in repeater keeps working when Wi-Fi does not, and it is the only route to a genuinely dimmable outdoor lighting zone for a SmartThings or Hubitat house.
9. Check whether you want dimming at all. This is the question that gets asked most and answered least. A standard smart plug cannot dim, no matter how many brightness options its app shows. If you want dimmable outdoor string lights you need a dimmer plug like the TREATLIFE DP10, a smart dimmer module, or dimmable bulbs controlled individually. Do not buy an on/off plug expecting a brightness slider.
10. Consider the indoor plug in a weatherproof cover. Multiple owners across forums report running ordinary indoor smart plugs inside a code-keeper style in-use cover for years without incident. It is a legitimate and often cheaper answer for lights, provided the cover is genuinely weather-rated, the load is within the plug’s rating, and you are not running anything heat-producing or high-draw.
The disadvantages worth accepting before you buy are shorter than the feature list suggests. You gain remote control, scheduling and voice control. You give up dimming on most models, you gain a device that depends on a phone app and a company still being in business, and you inherit Wi-Fi coverage problems in exactly the places where the signal is worst, which is outside at the far end of the garden.
Sunset Automation Recipes for Outdoor Lights
The single most useful setting on any of these plugs is sunrise and sunset offset scheduling, and every app in this roundup supports some version of it. You give an offset in minutes, the app works out local sunset times for your location, and the plug switches on and off on real daylight rather than a fixed clock time that drifts through the year.
For a basic patio routine, set outlet one to switch on 15 minutes after sunset and off at 23:00. For a holiday display, the more useful pattern is a timed run rather than a sunset trigger, because a display usually needs to be on for a fixed number of hours rather than until bedtime. Set it on for five hours a night and off at one in the morning, and you get a consistent display without anyone touching a phone.
Winterising the schedule is where a lot of people give up. A fixed clock schedule means your lights come on at four in the afternoon in December, which looks odd. A sunset offset adjusts automatically, so the same rule that fires at 8:15pm in July fires at 4:40pm in January. The TREATLIFE dimmer adds a vacation mode on top of that, which randomises switching within your set window so a display does not switch on at exactly the same minute every night.
If you have a motion sensor or a doorbell camera covering the same area, the IFTTT channel on the Wyze plug lets you tie lighting to detected movement rather than to the clock, which works well for path lighting that only needs to be on when someone is actually walking down it.
Installation and Safety Notes for Outdoor Smart Plugs
Start with GFCI, because it is the number one thing that goes wrong. Most exterior receptacles are ground-fault protected, and plugging a smart plug into one occasionally causes nuisance tripping or interferes with pairing. It is more often a symptom of a plug that is not seated fully or a receptacle cover that is pinched, so reseat the plug properly before assuming the smart plug is at fault.
Extension cords are the second problem. A 25 foot indoor extension lead left in a wet yard is not an outdoor-rated installation, regardless of what the smart plug at one end can handle. The two safe routes are a listed outdoor extension cord designed for wet locations, or a properly installed in-use weatherproof cover over a permanent receptacle, and the second one is what a electrician would recommend for anything permanent.
Know where the line is. If you are mounting a plug on a wall, driving screws, or routing a cord across a path, call a licensed electrician rather than guessing. This is a low-voltage-data question in appearance and a mains-electricity question in practice, and the same applies to any outlet that is not already in place.
Never power pumps, hot tubs, pool equipment, electric vehicle charging or any high-draw appliance from an outdoor smart plug. These plugs are built for lighting. Several manufacturers state it explicitly, and the meross guidance rules out pump loads entirely. A water pump that stalls is a flood, and a hot tub circuit is heavily loaded before the plug ever sees it.
Position the plug where water runs down away from it, not where it runs toward it. A soffit or eave is the most common good answer, and that is also why a majority of owners say their outdoor plug has survived several seasons without drama. The ones that fail are usually the ones installed on an open wall with no cover above them.
Finally, check your load once more before you plug everything in, and split a large display across two outlets rather than pushing a single plug to its limit. Fifteen amps on a lighting circuit is a lot of margin for LED string lights, and using half of it costs nothing.
Frequently Asked Questions
Can a smart plug be used outside?
Yes, but only if it is an outdoor-rated model. Look for an IP code on the spec sheet: IP44 suits a covered soffit or sheltered patio, IP64 handles an exposed wall with occasional wind-driven rain, and IP65 is the strongest rating in our roundup. Note that the IP44 rating only applies when the socket cover is closed and nothing is plugged in, so a loaded plug always needs a sheltered position.
What is the best smart plug for outside use?
The Kasa Outdoor Smart Plug EP40 is the best overall choice, with two independently controlled 15A outlets, an IP64 weather rating and sunset-based scheduling with no hub required. If you need the strongest weather rating, the Amazon Basics outdoor plug and the Tapo P400M both carry IP65. If your lights are dimmable and you want them dimmable, the TREATLIFE outdoor dimmer plug is the only model here that dims.
What is the best WiFi plug for outdoor electrical things?
For lighting, the Kasa EP40 leads on the combination of rating, range and scheduling. The Tapo P400M matches it on weather protection and adds Matter support for Apple Home, Alexa, Google Home and SmartThings. The GE Cync outdoor plug is worth a look if you want local Bluetooth control that keeps working when the internet does not.
Which smart plug is the most reliable?
The Kasa EP40 has the largest body of evidence behind it, with more than 17,000 ratings averaging 4.6 out of 5, and owners report automatic reconnection after power outages. The Kasa KP401 has documented cold-weather durability, with one owner reporting near-continuous operation around -30F. The Tapo P400M has the best specifications on paper but the smallest review base at about 1,077 ratings.
What are the disadvantages of smart plugs?
The main drawbacks are cloud dependence, limited dimming capability, and physical installation limits. Most plugs are 2.4GHz only, so dual-band routers may need band splitting during setup. Nearly all are on/off rather than dimming. Cord lengths of 6 to 7 inches mean the plug may not reach from an exterior receptacle to where the lights hang, and outdoor smart plugs are for lighting only, never pumps, hot tubs or EV charging.
Do outdoor smart plugs work in winter and cold weather?
Most do, if the plug is installed under cover. Owners report Kasa and TREATLIFE plugs surviving repeated winters, and the Kasa KP401 has one report of working near -30F for almost two years. Only the Tapo P400M publishes an explicit operating range of -4F to 122F. What cold does affect is Wi-Fi signal through walls and windows, so position the plug where it still has a usable connection.
The Best Smart Plug for Outdoor Lights in 2026
The Kasa Outdoor Smart Plug EP40 remains the best smart plug for outdoor lights in 2026. Two independently controlled 15A outlets, a verified IP64 rating, up to 300 ft of Wi-Fi range and sunset-based scheduling with no hub, backed by more than 17,000 ratings, is the combination we would install first and it is the hardest to argue with.
Pick the Tapo P400M instead if you want Matter and Apple Home support, or if your socket is fully exposed and you want the strongest weather rating available. Pick the Amazon Basics outdoor plug if your household is entirely on Alexa and you would rather configure everything in one app. Pick the TREATLIFE dimmer if the lights are dimmable and you want them dimmable. Pick the Wyze Plug Outdoor if you want to see what your display actually costs, and pick the DEWENWILS stake if you have no exterior socket anywhere near your lights.
Whichever you choose, install it under cover, measure the cord before you order, and set a sunset offset rather than a fixed clock time. Those three steps solve most of the disappointments people report with outdoor smart plugs.