Invisible Beam Barrier Active Detection Digital Pulse Infrared Sensor 100m Waterproof IR Alarm
Invisible Beam Barrier Active Detection Digital Pulse Infrared Sensor 100m Waterproof IR Alarm
Intelligent detection:Equipped with smart chip, automatically senses enironmental changes, automatically adjusts the radio's transmit power according
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Invisible Beam Barrier Active Detection Digital Pulse Infrared Sensor 100M IR
UHPPOTE Digital 6 Beams IR Infrared Barrier Detector Sensor for Alarm System Home Yard (Detecting Distance: 100m/328ft) : Electronics