Sonoff 4CHPROR3 is a 4-gang Wi-Fi Smart Switches designed to give you the ability to integrate smart control into your 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. The 4CHPROR3 is designed with an additional function for RF control. The function is purposely adopted to make you turn on/off the device connected with 4CHPROR3 via the RM433 remote controller.
