Owfeel RF DC12V Wireless Fixed Encoding Remote Control Switch Control Control Lights,TVs,Motors,Fans,Cameras,Video signals,Audio signals,electrically operated Doors/ Locks/ Windows/Blinds/Cars You can turn on/off the receiver with transmitter(remote control) from any place within a reliable distance. The wireless signal can pass through walls,floors and doors. Owfeel(R) is our registered trademark,pls don't infringement.