ALEAN 170ft Photobeam IR Sensor Photoelectric 3 Beam Intrusion Perimeter Barrier
Features: Photoelectric IR beam detector with digital frequency conversion Mount transmitter and receiver, build a fence you can't see; When beam is blocked, alarm trigger; Alarm output NC/NO optional, compatible with other brand burglar alarm...
ALEAN 350ft Photobeam IR Sensor Photoelectric 3 Beam Intrusion Perimeter Barrier
Features: Photoelectric IR beam detector with digital frequency conversion Mount transmitter and receiver, build a fence you can't see; When beam is blocked, alarm trigger; Alarm output NC/NO optional, compatible with other brand burglar alarm...
ALEAN 500ft Photobeam IR Sensor Photoelectric 3 Beam Intrusion Perimeter Barrier
Features: Photoelectric IR beam detector with digital frequency conversion Mount transmitter and receiver, build a fence you can't see; When beam is blocked, alarm trigger; Alarm output NC/NO optional, compatible with other brand burglar alarm...