[Advanced Motion Sensor] PIR detects moving human or animal presence with a 120-degree detection angle and up to 5 meters detection range, enabling real-time monitoring day and night. [Emergency Alert Push Function] When motion is detected, instant alert notifications are sent directly to your smartphone, allowing you to stay informed about activity even when away. [History Records Tracking] View and track historical sensor activity logs through the connected app. [Strong Performance & Ultra-long Standby Time] Features long transmission range, high sensitivity, and stable network connectivity. Powered by one CR2450 battery (included), providing up to 18 months of standby time under normal usage conditions. Note: This device requires a compatible Zigbee gateway to function (gateway not included). Specifications: Product Name: ZigBee Human Motion Sensor Networking Protocol: ZigBee 3.0 Mesh Detection Angle: 120 degrees Detection Distance: Up to 5 meters Power Supply: CR2450 button battery (provides approximately 18 months of operation with average use) Operating Temperature: -10°C to 45°C Product Dimensions: 33mm x 27mm Material: Plastic Color: White Package Contents: 1 x PIR Motion Sensor Note: Due to variations in manufacturing batches, minor differences in appearance, color, or labeling may occur and do not affect functionality. Note: Lighting conditions and screen settings may cause slight variations between the product image and actual color. Measurement tolerance: ±1-3 cm.