Feature:1. Reliable and Practical: The wired passive infrared motion sensor utilizes infrared detection technology to sense thieves in three dimensional space. It sends an alarm signal to the alarm host, which immediately emits a high decibel alarm sound to scare off the thieves and discreetly notifies the user.2. Enhanced Security: The wired passive infrared motion detector sensor has exquisite design with high concealment, making it difficult to be detected and enhancing security.3. Versatile Use: The dual PIR detector security warning alarm can be used to detect objects with temperature, suitable for window, bedrooms, living rooms, etc.4. Anti Interference: The dual PIR detector alarm features excellent ability to resist electromagnetic interference, ensuring no false alarms even in the presence of phone signals.5. Easy Installation: The dual PIR motion detector is made of premium ABS material and can be easily mounted on wall or ceiling. It comes with all the necessary installation accessories, making the installation process quick and hassle free.Specification:Item Type: Wired Passive Infrared Motion SensorMaterial: ABSDetection Method: Low Noise, High Sensitivity Dual Rectangular InfraredDetection Distance: Approx. 12m / 39.4ftDetection Angle: 110Adjustable Installation Height: Approx. 2.1 - 2.7m / 6.9 - 8.9ftOperating Voltage: 9-16VDCAlarm Output: NC Normally Closed, 30VDC 100mA.Package List:1 x Wired Passive Infrared Motion Sensor1 x Bracket2 x Screws2 x Expansion Screws