How to Remove PGx914 Motion Detector from an Installed Bracket - YouTube
Motion Sensor Battery Replacement - YouTube
The Expert Guide to Motion Sensors and Cameras | ADT.com
Security Services & Features FAQs
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Passive Infrared Motion Detector with Microwave detection based on Doppler concept, Pet Immunity up to 55 lbs (25 kg), Form C, Quad Linear Imaging Technology. No Logo. For sale to ADT only.
Samsung Smart Indoor Motion Sensor in the Motion Sensors & Detectors department at Lowes.com
ADT WIRELESS ALARM SENSOR BATTERY - HOW TO CHANGE - YouTube