1Higher Performance: This product is a high stability passive infrared detector. It uses advanced signal analysis and processing technology to provide superb detection and anti false alarm performance. 2Automatically Detect: When an intruder passes through the detection area, the detector will automatically detect the movement of the human body in the area. If there is dynamic movement, it will send an alarm signal to the control host. 3Applications: The product is suitable for security protection in family residential areas, villas, factories, shopping malls, warehouses, office buildings and other places. 4Large Coverage Area: PIR occupancy sensor is designed for mounting heights of 7m to 5m. And has large coverage area, 11 in the far area, 8 in the middle area, 5 in the near area. 5Related Parameters: Detection distance can be up to 8m. Detection angle is 15 degrees. Self check time is 60s. High detection accuracy and long distance.