Welcome to this page! This is a 315MHz/433MHz Wireless Remote Control Switch System. Wonderful wireless digital remote rontrol switch for home appliance! Just take a remote controller and you can easily control all electrical appliances at home, moreover, the remote control switch easy installation and use conveniently! Specified as preferred components in remote control garage, roller curtain, door locks, remote sensing, telemetry, industrial control and wireless security alarm industry.This Professional Wireless Remote Control Switch System is the best choice for you. Order it now!