Sonoff 4CHPRO R3 - 4 Channel PRO WiFi RF Smart Switch

Sonoff 4CHPRO R3 - 4 Channel PRO WiFi RF Smart Switch

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    • $26.25
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  • Product Code: SNOF-4CHPRO-R3
  • Warranty Period: 12 months
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Sonoff 4CH PRO R3 is 4-gang DIY Wifi Smart Switches designed to give you the ability to integrate smart control into your existing home to enable a smart home. The smart switch has 4 gangs that can be used to control lights and other home appliances at the same time in four areas of your home. Although 4CH R3 and 4CH PRO R3 are quite similar, there is a major difference between 4CH R3 and 4CH PRO R3, which is 4CH PRO R3 is designed with an additional function for RF control. The function is purposely adopted to make you turn on/off the device connected with 4CH PRO R3 via the RM433 remote controller. Want to find out what the 4CH PRO is capable of? Check out this video here:

It comes with 3 working modes including self-locking, interlock and inching mode. Sonoff 4CH PRO R3 allows users to set these 3 working modes on eWeLink APP instead of the hardware itself, easier to operate. So you can enable self-locking mode to turn on/off 4 connected devices separately, interlock mode to turn on 1 connected device every time and turn off the rest of devices simultaneously and inching mode to turn on 1 connected device and then make it turn off automatically after a given time (0.5 - 3600s). For the device away from the switch, you can create a moveable space in virtue of a DIN rail to make them be connected. Simply activate devices through your voice when the switch works with Amazon Alexa and Google Home smart assistant.

Features and specifications:

  • Voltage Range: 100-240V AC 50/60Hz
  • Max. Load: 10A/2200W/Gang 16A/3500W/Total
  • Wireless Standard: IEEE802.11 b/g/n 2.4GHz (2400M-2483.5M)
  • Security Mechanism: WPA/WPA2
  • Enclosure Material: PC V0
  • Operating Temperature (recommended): -10'C to 40'C(14'F-104'F)
  • Operating Humidity: 5%-95%RH, Non-condensing
  • Remotely control connected lights or devices via App
  • 3 working modes with self-locking, interlock and inching mode for even remote control garage door and roller blinds
  • Support scheduling a timer to make devices automatically start and stop to work
  • Customize smart scenes to make the device connected with the switch to trigger other devices
  • Share the control permission of devices to other accounts to control together
  • Check real-time ON/OFF status of devices on your mobile phone
  • Power-on state allows users to set the On/Off/Keep status for the connected device before the power failure and ensure it remains the arranged status after power restoration

Packing list:

  • 1 x Sonoff 4-Gang (4-Channel) Wi-Fi smart switch with RF control
  • 1 x Screwdriver
  • 2 x Mounting Bracket
  • 1 x Quick Installation Guide


  • Sonoff RM433 RF remote controller is not included. You can get it from here
  • Please take EXTRA PRECAUTION since the device uses High Voltage Electricity.



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Tags: smart home, remote control, RF, radio frequency, switch, Itead, IteadStudio, 4-channel, 4CHPROR3