... control, easy to install.Control Lights, TVs, Motors, Fans, Cameras, Video signals, Audio signals, electrically operated Doors/ Locks/ Windows/ Blinds/ Cars ... 24mmMaximum Working Current: 4A / each channelTransmitter:Model No.: CV-4Channel: 4 CHRemote Control Distance: 500m / 1500ft (theoretically)Encode: Fixed code by ...