Radio Shack Safe House Invisible Pulsed Beam Infrared Photorelay Alarm 49-307 Radio Shack

Please review all photos and read description. *** This is a used Safe House Invisible Pulsed Beam Infrared Photorelay Alarm 49-307 by RadioShack. It has been tested and confirmed working. Manual, connectors, reflector and bracket are included. Original box has the original receipt from Radio Shack showing the purchase cost on 1991. This is vintage tech that still works as a reliable and efficient home surveillance system. ThisPhotoelectric Beam sensor is powered by a wall plug-in and features infrared connectivity for secure detection.