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. Not to mention using its relay for switching ON/OFF DC devices!
Sonoff 4CHPRO R3: [ Ссылка ]
