SONOFF S40 Lite 15A WiFi Smart Plug ETL Certified, Smart Socket Outlet Timer Switch, Compatible with Alexa & Google Home, IFTTT Supporting, No Hub Required 4-Pack
€27
Price: $26.99
(as of Sep 28, 2025 21:20:13 UTC – Details)
Product description
SONOFF S40 Lite 15A WiFi Smart Plug
Remote Control
Forget to turn off the coffee maker? Just take out your phone and turn it off anywhere.
Voice Control
Make your life easier by managing your devices with a simple command.
Set Schedule
Set a timer to turn on or off the connected device as you want.
Sunrise/Sunset Routine
Turn off the lights when sunrise and Turn on the lights when sunset.
Away Mode
Away from home for a long time, turn on the lights as if you were at home.
Bind a Camera
View the device’s status and rooms in real-time by adding our camera.
Note: The SONOFF S40 Lite only works with 2.4GHZ WiFi, not 5GHZ WiFi at all. make sure that your network has different sids for 2.4GHZ and 5GHZ networks and that the device will work properly
Works with Alexa & Google Home,IFTTT Supporting: Link “eWeLink Smart Home” skill. You can directly ask Amazon Echo/Echo Dot/Amazon Tap to turn on/off your SONOFF devices.Link “eWeLink Smart Home” on Google Home app, start to voice control your SONOFF devices on Google Home
Smart Remote Control Plug: You can remotely/timely control ON/OFF any connected home appliance via APP eWeLink on your smart phone or tablet. No distance/time limitation
Set time schedules for the lights and home appliances: You can set countdown/single/repeat timers to auto-turn on/off the WiFi controlled outlet on App. One tap ON/OFF Energy Saving
Share control of devices to others: You can simply share control of your home appliances to others so that they can also turn on/off the devices remotely
Customers say
Customers find the smart plug simple to install and control, and consider it good value for money. The connectivity receives mixed feedback.
13 reviews for SONOFF S40 Lite 15A WiFi Smart Plug ETL Certified, Smart Socket Outlet Timer Switch, Compatible with Alexa & Google Home, IFTTT Supporting, No Hub Required 4-Pack
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€27
Daniel –
these things are great
I got my first Sonoff switch a few years ago. Had to wire it up myself, but it worked well. These S40s are terrific. Just plug ’em in. The connection is established with Bluetooth, and from then on they’re connected to the internet through the local router. Using eWeLink, you can turn things on and off in your house from anywhere in the world. Several years ago, it was disappointing that eWeLink was a phone-only application. But that’s fixed. You can now have the app on your computer to control these guys as well. The S40s are dead-nuts simple to use. Once programmed, you can unplug them, and plug them in anywhere else in the house without changing anything. It’s nice that they’re great, but they’re also available at bargain prices. Cheap thrill. Note that eWeLink can be connected to Google Home, so you can run all of these devices through Google Home.VERY IMPORTANT: You can get cheap knock-offs of these, but they DO NOT WORK with eWeLink, and you need to download a separate app to connect to Google Home. So once you get started using Sonoffs, don’t try to expand using these knock-offs. Stay with Sonoff.
Visionary hobbyist –
Works with 5ghz ðð¼
So glad I found a reasonably priced smart plug that works with 5ghz wifi ðð¼
jscrenci –
QR Code to network this device
If you are not persistent, you will not easily connect this device to your wifi network. What I found works best is to scan the QR code on the device, and VOILA, the magic happens. Going the more conventional route by using the tradtional methods to add this device to your wifi network will result in unneecssary frustration IMO – I speak from experience.
Brad P. –
Beware: Only 2.4g NOT 5g useable
I read somebody elseâs review that said it worked with 5 G however, I was not able to make it work with mine. My equipment is supposed to be able to adjust down to 2.4 g. THIS IS NOT THE FAULT OF THE MANUFACTURER because they clearly state that it is for 2.4 g.
Jamie –
No different than any other
This plug turned out to be the same as any other that I’ve wasted my money on. I keep reptiles, and want to be able to control the lights from my phone, but every one of these plugs that I’ve tried ends up being a waste of money. I can’t get them to connect to anything. Alexa can’t find it, my phone can’t find it. I follow the directions exactly, yet it just doesn’t connect. Total waste of money and time.
Fidencio Ledezma –
Conector
Satisfecho con la compra, vendedor recomendable
Happy Camper –
Practical, affordable, easy to install
This hooks up to my Google “home nest” and “Alexa”. Simple to install and control. I’m buying more.
cma –
Not Zigbee compatible
Use caution when ordering these. I didnât realize there were two versions of the S40 Lite, Zigbee and Wi-Fi. I bought this version by mistake, and while theyâre returnable, I donât have a UPS store near me and Amazon wonât provide a free return label for a pickup. The Wi-Fi version does not seem to be as well supported in home assistant, the add on provided for it only seems to provide a Lovelace card and not a proper device, so as far as I can tell so far it canât be used in automations. The s40 version also canât be flashed with alternate firmware, so itâs usability with home assistant is limited.
Amazon Customer –
Setup was painless, integrated into Google home although base app would have done everything I needed.
irving –
Muy bueno y han resistido bien
Jean-Paul B. –
Contrôle lumière salon
Julio Romero –
La verdad me deje llevar por la promoción salieron en $439mx y pensé que serÃan como los otros S40, le falta lo que más me interesa que es estadÃsticas de consumo, por $300 creo q hubiera comprado los otros. Sin embargo, funcionan como un enchufe normal inteligente, que apagas y prendes con el asistente o puedes colocar un cronómetro para realizar una acción, los utilizo con Google y se sincronizaron bien, me costó un poco agregarlos con el wifi, pero si se pudo.
James Khaye –
Has been working well. Hoping it doesn’t fail prematurely