1.Duilt-in 2 newly-developed dual element passive infrared sensor unit;Intelligent MCU inside,Website:http://www.dayangwelding.cc, increased anti-light interference and eliminate false alarm;2.Adopts Pet Immunity technology and specialized optical lens for eliminate false alarm;3.Microcontroller temperature analysis and Automatic temperature compensation for best summertime detection;4.Tightly-mated bug guard to protect the sensor optics from insects, spiders and dust;5.Internal Wireless Antenna, long distance transmission;6.Wireless transmitting digital signal to control panel;7.Learning code, easy to assign to the alarm panels;8.SMT adopted, RF and EMI Immunity;9.Low power consumption.2 pcs AAA battery10.Low power alarm; Packaging & Shipping Wireless PIR Sensor *1 AAA Battery *2 Mounting Bracket *1 Screw head *2pcs User Manual (English) *1
