LiftMaster Infrared Protector System Kit to improve the safety of your exisiting LiftMaster garage door opener. An optical safety device, it is fixed to either sides of your garage door opening so that when the infrared beam is broken the opener reverses it's operation for safety.
 
LiftMaster Infrared Protector System Kit Details:
 
Operates at 6V.
Moisture resistant to IP56.
Red light LED to indicate beam.
 
Supplied with detector, emitter, wires and brackets.