1、Adopts wireless communication technology, with long transmitting distance, strong anti‑jamming ability, and has super stability. 2、Detector can detect the region of the human body dynamic movement signal, sent to the host, the host sends an alarm signal. 3、Suitable for family residential areas, real estate villas, factories, shopping malls, warehouses, office buildings and other places of safety precautions. 4、The detector is quick to install, simple to use, with power monitoring, low voltage prompt function. 5、With the use of high‑quality ABS material, high performance and long service life. 1 x Infrared Alarm3 x Mounting Brackets2 x Screw2 x Expansion Tube1 x Manual Item Type: Wireless PIR SensorMaterial: ABSBattery Model: AAA x4 (without battery delivery)Quiescent: ≤60uAAlarm Current: <20mAWork Temperature: + 5℃ -+ 45℃Level Detection Angle: 110°Vertical Detection Angle: 60° Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store