1 Pc Infrared Beam Sensor Alarm for Gates Doors Windows
$18.99
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For Gates Doors Windows External Positioning Alarm Single Beam Infrared Radiatio
$13.99
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About this item
1 x External Positioning Alarm Detector. The detector automatically increases sensitivity when exposed to heavy fog or bad weather (AGC circuit). infrared receiving tube, low-power processing technology, lightning.
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