3 beams infrared sensor waterproof, active detector

This is the outdoor alarm security beams infrared sensor waterproof,active detector for home,school,office,store.

Intelligent detection:Equipped with smart chip, automatically senses enironmental changes, automatically adjusts the radio's transmit power according

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Infrared Beam Detector Sensor 20m Active Photoelectric Single Infrared Beam Infrared Sensor For Gate Door Window Burglar Alarm - Price history & Review, AliExpress Seller - Maple _3C- product Store

100m Waterproof Three Beams Active Infrared Intrusion Detector Photoelectric Beam Sensor Three Beams IR Photo Sensor - AliExpress

Get led indicator photoelectric with free return and fast delivery. Used in conjunction with led indicator, photoelectric reflector or led light

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3 beams infrared sensor waterproof, active detector

DETECTOR: 60 m. Optical Source: Infrared digital pulse beam. Operation humidity: 5% - 95% RH (relative humidity). Optical Axis Adjustable Angle

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Wired Twin Beams

Infrared Beam Sensor Waterproof Outdoor Security Alert Tool Perimeter Protection Outdoor System IR Sensor Alarm Accessory for Home Door,Other Household Daily use

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