Features 1.Duilt-in 2 newly-developed dual element passive infrared sensor unit;Intelligent MCU inside, 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 battery 10.Low power alarm; Specifications Operating Voltage: 3VDC 2pcs AAAbattery Detection Range: Vertical angle 60degree, Horizontal angle 110 degree, 12m at 20°C. Standby Current: less than 100uA Alarm Current: less than 9.5mA RF Immunity: > 30V/m 0.1-500MHz Sensitivity: > 3300V/W Noise(Vp-p): 10000Lux Transmitting Freq.: 315/433/868MHz Transmitting Distance: minimum 100m( in the open area) Pet Immunity: ≤25Kg Temperature Range: -20°C ~ +55°C Relative Humidity: 95% (25 °C) Installation Mode: Wall mounted by bracket Battery: 2*1.5V AAA battery Installation Height: 1.8~2.4m Packaging & Shipping Wireless PIR Sensor *1 AAA Battery *2 Mounting Bracket *1 Screw head *2pcs User Manual (English) *1