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,...
£106.34
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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,...
£116.45
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