Sonoff 4CH Rev2 WiFi - 4-channel switch_

Sonoff 4CH Rev2 is a module of a 4-channel switch. It has 3 operation modes, controlled with voice commands, buttons on the case, or Wi-Fi using eWeLink app. It allows you to control 250 V appliances with a power of 2200 W. Mounted on a DIN rail using screws.

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Price 104,00 zł


Complete module that allows you to control 250V appliances with power up to 2200W with Amazon Alexa voice commandsbuttons on the case, or the Wi-Fi network using the dedicated smartphone app from anywhere in the world. The device has 3 terminals connector 5-pin for mounting cables. With the switch you can control e.g. electrical appliances and lighting. You can set the time of turning on / off a given device. The device can be mounted on a DIN rail using screws.

Control with Amazon Alexa

The device can be controlled by voice. When we say the command with the device name, Alexa will turn it on / off (if we say only the device name, Alexa will turn off all channels of the relay)

  • Alexa, turn on (device name) - turns on the device
  • Alexa, turn off (device name) - turns off the device
  • Alexa, turn on (device name) (channel name)
  • Alexa, turn off (device name) (channel name)

The default names of the channels are: output 1, output 2, output 3, output 4. The name can be changed. The manufacturer has prepared a tutorial for using Alexa.

The management of electrical equipment and lighting

Example connection of electrical devices.

Example connection of lighting.

Quick start

Using Android Play or the AppStore you need to download the eWeLink application. After installation you need to register and log in. To turn the device on, hold the button for 7 seconds until the Wi-Fi diode will start flashing rapidly. Click on the "+" icon in the app to add the device. Now all is left to do is to name the device. 


  • Supply voltage: 90V to 250V AC
  • Maximum current: 10A per channel
  • Maximum power: 2200W
  • Connectors:
    • 3 x connector terminals ARK 5-pin
  • Wi-Fi Frequency: 2.4 GHz
  • The wi-fi standard: 802.11 b/g/n
  • Protection mechanism: WPA-PSK / WPA2-PSK
  • Case material: fireproof ABS V0
  • Control: Wi-Fi, voice - Alexa, buttons
  • Works with: Amazon Echo, Echo Dot, Tap Amazon, Google Home, Google Nest
  • Works with IFTTT
  • 4 channels
  • Operating temperature: 0 ºC to 40 ºC (recommended)
  • Operating humidity: 5% RH to 90% RH, non-condensing
  • Dimensions: 145 x 90 x 40 mm
  • Certificates: CE / RoHS / FCC

  • Smart Home Relay 12V


Posting the payment for the order on our account on a business day up to 13:00 means sending the goods on the same day!


The time of payment depends on the hours of ELIXIR session of the sender's bank and the recipient of the transfer (more information on this subject, for example on the website


The table presents available forms of delivery in Poland


Carrier and

Bank wire

by cash


Poczta Polska

terms of service

9,90 PLN17,90 PLN1-3 days

Kurier GLS

terms of service

14,90 PLN22,90 PLN

1-2 days

Paczkomaty 24/7 

terms of service

12,90 PLN-1-3 days

If the amount to pay for products exceeds 500 PLN
Delivery is for free!


  • Free delivery of orders over 500 PLN does not apply to parcels addressed outside of Poland.
  • Free delivery does not apply when changing orders.
  • The delivery period is counted in working days from the date of dispatch of the order.