Smart PIR Motion Sensor:PIR detects human body or animals that are moving, 120° detection angle, 5-8m detection distance, can achieve real-time monitoring day or night. History Records Tracking:You can track the history of sensor activities. Emergency Alert Push Function:When there is movement detected, the alert notifications be pushed to your phone, be aware of what's happening even when you're away. Strong Performance:Ultra-long Standby Time Long transmission distance, high sensitivity,and strong network signal. Ultra-long standby time., Weight: 0.0771617917 Pounds, Manufacturer: Frewurwer