... 3.Control Lights,Motors,Fans,Cameras,Doors,Locks, Windows, Alarm, Car, etc Feature:Wireless control, easy to install. Control Lights, ... signal can pass through walls, floors and doors. The receiver has farther working range with external telescopic antenna,about 100 ... meters!Reliable control: The transmitter (Encoding) and the receiver (Decoding) use an 8-bit code. One/several transmitters ...