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Waterproof Active Photoelectric Single infrared Beam Infrared Sensor Barrier Detector for Gate Door Window Burglar Alarm
60M Grating Infrared On The Radio Alarm Outdoor Fence Door And Window Anti-Theft Device Sensor Detector
6 Beams Fence Perimeter Intrusion Detection Waterproof Active Infrared IR Break Beam Sensors Infrared Fence Detector
12-24V DC/AC Unilateral Wiring Reflective Photocell Sensor Single Beam for Gate Openers Access Control Security Alarm Systems
KINJOIN 150m Sensor Alarm Dual Beam Photoelectric Infrared Detector for Home Security Support Waterproof And Dustproof