Wireless Intelligent Pir Detector (with Lithium Battery)

Wireless intelligent pir detector (with lithium battery)DescriptionName: Wireless PIR Motion DetectorModel: XSJ-80LFXSJ-80LF is a professional new housing Passive Infrared Motion Detector (PIR) that powered by 3.6V Lithium rechargeable battery, the PIR with internal antenna design, hidden Power On/OFF switch. It built-in with learn button make users easy to program it into wireless alarm system. 80LF PIR Motion Sensor is designed to detect movement by measuring the heat of any humun body passes by the detector, and compares this heat to a background setting (eg. wall). When motion is detected,
Wireless Intelligent Pir Detector (with Lithium Battery)