Weike Dc 12v 433mhz 1 Channel One Relay Wireless Learning Remote Control Switch Grey Color Transmitter Control Lights, Motors, Fans, electrically operated Doors/Locks/Windows/Blinds/Cars or Other Appliances with AC220VAC85V-260V OR DC12V.. You can turn on/off the receiver with transmitter (remote control) from any place within a reliable distance; the wireless RF signal can pass through walls, floors and doors. This switch can learn different coding remote controls (such as 2262,1527 etc.) One/several transmitters can control one/several receivers simultaneously. The wireless receiving controller, with high confidentiality, stable performance, low power consumption characteristic, jump line or dial the code switch coding.