DC 12V 1CH Wireless Remote Controller Switching Board Peach Wood Control Transmitter Receiver Material: durable PCB board and plastic. Encoding Wireless Transmitter Remote Control Switch Easy to install and use. The wireless signal can pass through walls, floors and doors Turn on or turn off the receiver with transmitter (remote control) from any place within a reliable distance Suitable for lights, electrically operated doors, windows, curtains, etc.