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, the unit emits a signal to the alarm main unit to set off the alarm. The wireless transmission range is 100 meters in open space and with low power indication and send wireless signal to alarm systems.Main Features•Wireless PIR sensor powered by Lithium battery•Nice outlooks design, universal bracket included•Built-in USB jack and power ON/OFF switch•Dual element PIR sensor for movement detection•Low power indication and send out signal design•Built-in Fresnel lens technology•Special temperature compensation circuit design, no fault alarm, non fause alarm and no miss alarm
