... ,Doors,Locks, Windows, Alarm, Car, etc Feature:Wireless control, easy to install. Control Lights, TVs, Motors, Fans, Cameras, Video signals, ... wireless signal can pass through walls, floors and doors. The receiver has farther working range with external telescopic antenna,about 100 ... ~240V or DC0~28V PCB size: 68mm x 48mm x 20mm Case size: 75mm x 55mm x 30mm Maximum Working Current: 5A / each ...