1、PIR detector with dual probes, high capturing performance and strong anti‑false alarm ability. 2、It adopts wired infrared technology, can be used independently, double‑window detection, reminder of human activities. 3、Detection range is about 7m, detection angle is about 90 degrees, high sensitivity, stable performance. 4、Anti‑pet identification technology, immune to pets under 20 kg, prevent false alarms when pets pass by. 5、Simple installation, with low battery reminder, the recommended installation height is about 8‑4m. 1 x Detector2 x Screw2 x Expansion Tube1 x Bracket1 x Rubber Ring1 x Accessory1 x English Manual Item Type: PIR Motion DetectorMaterial: ABSWeight: Approx. 155g / 5.5ozProduct Size: Approx. 110x55x40mm / 4.3x 2.2x 1.6inBattery Parameters: Built-In 2 x CR2 Lithium BatteriesBattery Type: Lithium BatteryBattery Model: CR2Nominal Battery Capacity: 850mAhPet-Proof: 20kgFunction: Independent use, no host/gateway, anti-pet function, dual-window detection, human activity reminder, low battery reminderQuiescent Current: ≤20uADetection Distance: 7m / 23ftDetection Angle: 90°Working Environment: -10℃-50℃, 5%-95% RH