Sonoff 4CH Rev2 WiFi - 4-channel switch

Index: DNG-12289 EAN: 6920075775822

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.

Sonoff 4CH Rev2 WiFi - 4-channel switch
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Manufacturer: Sonoff


Complete module that allows you to control 250V appliances with power up to 2200W withAmazon Alexa voice commandsbuttons on the case, or the Wi-Fi network using the dedicated smartphone app from anywhere in the world. The device has3 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: 0ºC to 40ºC (recommended)
  • Operating humidity: 5% RH to 90% RH, non-condensing
  • Dimensions: 145 x 90 x 40 mm
  • Certificates:CE / RoHS /FCC

Smart Home Relay
Communication WiFi
Package width 16 cm
Package height 4.5 cm
Package depth 10 cm
Package weight 0.2 kg

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Product reviews

Sonoff 4CH Rev2 WiFi - 4-channel switch


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Customers opinion
The following opinions are collected
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and come from the post-purchase process.
Narcyz 14.08.2023 Confirmed purchase Translated review
With SUPLA it works ok
Karol G. 03.02.2021 Confirmed purchase Translated review
Works great in combination with HA.
Marek 27.04.2023 Confirmed purchase

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