Sonoff S20 Smart WiFi Socket

Rated 3.92 out of 5 based on 24 customer ratings
(25 customer reviews)


Categories: ,

Home automation is “The Internet of Things”.
It simply means the way all devices or appliances are networked together to provide customers with a seamless control over their home equipment.
Sonoff S20 is a smart outlet with EU/US/UK/CN-AU standard.
Users can instantly convert any plug into a smart plug with a convenient timer function that works on user’s smart phone.
You can turn on/off any connected device either on the APP eWeLink or by pressing the manual control knob of the WiFi outlet.
You can set countdown/single/repeat timers to auto-turn on/off the WiFi controlled outlet on App. You can share the WiFi plug to your family so that you can control together.

This makes it perfect to control lighting and other home appliances.


Note: The EU plug have Type E and Type F. Please kindly confirm it is applicable in your country.

  • Remote ON/OFF – Turn electrical devices on/off from anywhere
  • App Support – Free iOS and Android mobile App eWeLink
  • Sync Status – Real-time device status provided to App
  • Timing – Set scheduled/countdown/loop timers to turn on/off at specified time
  • Share Control – Control your smart home together with your family
  • Scene – Turn on/off a gang of devices with one tap
  • Smart Scene – Can be triggered on/off by temperature, humidity or other conditions(Need support by Sonoff TH10/16 with sensor)
  • Voice Control – Works perfectly with Amazon Alexa, Google Assistant

  • Easy installation, easy handling.
  • Support checking status on APP.
  • Support scheduled/countdown/loop timing tasks.
  • Support unlimited WiFi smart sockets one smartphone.
  • Works with Amazon Echo, Echo Dot, Amazon Tap
  • Works with Google Home
  • Works with Google Nest

  • Standard: US/ UK/ CN(AU)/ EU(type F)
  • Power supply: 90V~250V AC(50/60Hz)
  • Max. Current: 10A
  • Max power: 2200W
  • Enclosure Material: Fire Retardant PC
  • Wireless standard:802.11.b/g/n
  • Encryption: WEP/TKIP/AES
  • Security Mechanism: WPA-PSK/WPA2-PSK
  • Operating Temperature: 0ºC-40ºC(32°F-104°F)
  • Operating Humidity: 5%-90%RH, Non-condensing
  • Product Dimensions:
  • EU/UK Standard: 130*80*78(mm)
  • US /CN Standard: 120*78*34 (mm)
  • Certification: CE/RoHS

Works With Amazon Alexa:

This product works with Amazon Alexa. You can ask Alexa to control the device with the following voice commands. Please note that only US/UK English and German voice commands are supported now. Try out these phrases ( {deviceName} should be the name of your device): Alexa, turn on {deviceName} Alexa, turn off {deviceName} Alexa, turn {deviceName} off Alexa, turn {deviceName} on Alexa, schalte Gerätename ein Alexa, schalte Gerätename aus

Problems and Solutions:

Read the detailed FAQ on Itead Smart Home Forum. If below answers can’t solve your problem, please contact us directly.

1. My device has added successfully but stays “Offline”.

Answers: The newly added device need 1-2 min to connect to your router and the Internet. If it stays offline for a long time, please judge the problem by the green led status: 1.1. Green led quickly blinks one time and repeats, which means device failed to connect to the router. The reason may be you have entered wrong WiFi password or your device is too far away from the router, which causes a weak WiFi signal. The device can not be added to the 5G-wifi-router, only the 2.4G-wifi is OK. At last, make sure that your router is MAC-open. 1.2. Green led slowly blinks one time and repeats, which means the device has connected to router and server but failed to be added to the device list. Then power on the device again, if it still not working, just add the device again. 1.3. Green led quickly blinks twice and repeats, this means the device has connected to the router but failed to connect to the server. Then please confirm your WiFi router works normally.

2. Why the APP can’t find the device in pairing status?

Answers: That’s because of your phone’s cache. Please close the WLAN of your phone then open it after a minute. At the same time, please power off the device if you can, then power up to try again.

APP Features:

1. WiFi remote control and device state

Turn on/off by tapping on device icon. Device state always simultaneous display on APP.

2. Share Control

The owner can share the devices to other eWeLink accounts. While sharing devices, both should stay online on eWeLink. Because if the account you want to share is not online, he/she will not receive the invitation message. How to make it possible? Firstly click Share, input the eWeLink account (phone number or email address) you want to share, tick the timer permissions (edit/delete/change/enable) you want to give, then click Next. The other account will receive an invitation message. Click Accept, the device has shared successfully. The other user will have access to control the device.

3. Timing

Support max 8 enabled single/repeat/countdown timing schedules each device. Preset timers can work even network is unavailable, but the device must keep power on.

4. Set default power on status

In Device Setting, you can set default device status: ON or OFF when the device is power on.

5. Scene/Smart Scene

Scene allows triggering on/off your devices automatically. Scene Settings is in the upper right corner of Device List. You can set up scenes or smart scenes to trigger on/off the device. Users should select “Click to execute” in the condition, add different existing devices, name the scene and save it.

6. Security mechanism

One device one owner. Other people can not add the devices that have already been added. If you want to add your device to another account, don’t forget to delete it first.

7. Update

It will auto-remind you of new firmware or version. Please update as soon as you can.


Additional information

Weight 0.25 kg
Dimensions 20 x 20 x 20 cm
Camera Equipped



All Compatible

Brand Name


Model Number

Sonoff S20 WiFi Socket

State of Assembly



Sonoff S20 CN UK US EU Plug WiFi Socket

Power Supply

90-250v AC(50/60Hz)

Max Current


Max Power


Product Dimensions



2.4GHZ, 802.11 b/g/n

Enclosure Material

Fire Retardant PC



Support APP

Works with Alexa & Google Nest & Google Home


Sonoff S20 Smart WiFi Socket

25 reviews for Sonoff S20 Smart WiFi Socket

  1. Rated 5 out of 5


    Delivery very fast about 1 week to Thailand​

  2. Rated 5 out of 5


    Tested it with Amazon alexa and app. It’s working flawlessly. Highly recommended Seller. Thanks. Hope to deal with you again.

  3. Rated 5 out of 5


    Product as expected. Well packed in bubble tubes wrap, still the paper box was deformed on arrival. Delivery speed moderate compared with other orders made the same day. Ordered 13.4., delivered to Czech Republic on 10.5.2018.

  4. Rated 4 out of 5


    Товар получен,работает.Спасибо.

  5. Rated 5 out of 5


    Розеточки аккуратные. С моим провайдером не работали пока роскомнадзор пытался заблочить телеграм. А так штуки классные.

  6. Rated 5 out of 5


    very fast shipping. reliable

  7. Rated 5 out of 5


    Fast shipping (15 days)

  8. Rated 5 out of 5


    все работает отлично

  9. Rated 5 out of 5


    Отличный продавец. Всё отлично! Быстрая доставка. Заказывал 2шт. Приложение установил по QR коду из инструкции. Обе розетки за 5 минут подключил к приложению. Всё отлично работает. Если нужно будет, буду заказывать ещё.

  10. Rated 5 out of 5


    Товар получен. Всё работает отлично, соответствует описанию. Внешний вид качественный. Я очень доволен.

  11. Rated 5 out of 5


    Соответствует описанию. Рекомендую

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  13. Rated 5 out of 5


    todo estupendo rápido y compatible con Google home

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Shipping & Delivery

We are proud to offer international shipping services that currently operate in over 200 countries and islands worldwide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any customs fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get customs fees when they arrive to your country.

How long does shipping take?

Estimated shipping time varies by location and can be longer than 10 days due to high demand. These are our estimates:

Location *Estimated Shipping Time
The United States 10-20 Business days
Canada, Europe 15-30 Business days
Australia, New Zealand 15-40 Business days
Mexico, Central America, South America 15-40 Business days
United Kingdom 10-30 Business days
Switzerland 10-30 Business days

*This doesn’t include our 2-5 day processing time.

What if I don’t receive my product?

We will give you a full refund if product isn’t received in 60 days.

Do you provide tracking information?

Yes, but only for products that cost more then 10$
The reason is simple because for cheaper packages Epacket cost more then a product for itself.
You will receive an email once your order ships that contain your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you’ve specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Refunds & Returns Policy


Order cancellation

All orders can be canceled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be canceled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you do not receive the product within the guaranteed time(45 business days not including 2-5 day processing) you can request a refund or a reshipment. If you received the wrong item you can request a refund or a reshipment. If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Daily Tech Market (i.e. not cleared by customs, delayed by a natural disaster).
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*You can submit refund requests within 15 days after the guaranteed period for delivery (45 business days) has expired. You can do it by sending a message on a Contact page.

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorize you to do so.

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