*Gate Garage Opener Remote Control Switch 2pcs Transmitter+Receiver Set
*It has 2 channel relays which can make the equipment turn or reverse, on/off and so on come true.
*Each wireless remote control has 2 programmable function keys.
*The output way/working way can be changed as you like.
*Widely used in auto door, window, lifting equipment, entrance access, up and down controller, alarm system industrial control and security etc.