Mini Wireless Smart Light Switch with Remote Control 1000M Distance 433 Mhz RF Relay Receiver 220V Switch for Home Led Lamp Fan.Note: The relay controller is RF Receivers ,the wall switch is RF only. Wall switch itself cannot control lights on off. It needs to work with rf receiver together. Features: * Easy connect and multi control one * The receiver is easy to install, Multi switches can control different receivers or one receivers strong signal and Long distance control * Control the light