sonoff 4chpror3 4 gang intelligent wireless rf controll module breaker wifi smart light switch works with rm433 controller via ewelink

sonoff 4chr3 & 4chpror3 are both 4-gang diy wi-fi smart switches designed to give you the ability to integrate smart control into your existing home to enable a smart home. each 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. there is a major difference between 4chr3 and 4chpror3, which is 4chpror3 is designed with an additional function for rf control.