Product Summary of For Home Alarm System Mini PIR Wireless Motion Sensor :
The wireless PIR detector adopts advanced import sensor and professional PIR disposal chip. It works by detecting human body's PIR spectrum. When detecting the human body move in the detective areas, the microprocessor would send the signal to alarm system, and then decide whether to make alarm or not after calculation. It also possesses intensive temperature-compensating function, which can greatly ravel out the weaker detective function caused by the changeful temperature. It can be compatible with wireless alarm panels of 433MHz from our company. It's packaged with a kraft paper box.
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