Fangrui Product Details [advanced Motion Sensor]pir Detects Human Body Or Animals That Are Moving, 120 Detection Angle, 5m Detection Distance, Can Achieve Real-time Monitoring Day Or Night. [ Alert Push Function]when There Is Movement Detected, The Alert Notifications Will Be Pushed To Your Phone, Be Aware Of Whats Happening At Home Even When Youre Away. [history Records ]you Can Track The History Of Sensor Activities. [strong Performance Ultra-long Standby Time]long Mission Distance, High Sensitivity, And Strong Network Signal. Ultra-long Standby Time. Powered By 1pcs Cr2450 Batteries(include), Can Last For About 18 Months. Please Note: This Product Must Be Used With A Zigbee Gateway! (not Included) Specifications: Product Name:zigbee Human Motion Sensor Networking Form: Zigbee3.0 Mesh Detection:120,distance Less Than 5m Power Input:cr2450 Button Battery(1.5 Years,10 Times Per Day) Working Temperature:-10c~45c Product Size: 33mm X 27mm Due To Different Batches, There May Be Differences In Product Appearance