- App remote control: Easily install the Smart Life / Tuya app on iOS or Android to add the device and detect movement. No hub required. Keep home security in your hand. - Advanced motion sensor: PIR detects moving humans or animals, with MCU based processing to prevent false alarms. High sensitivity and stable performance. - Emergency alarm push: When motion is detected, alarm notifications push to your phone. Stay informed about what happens at home, even when you are away. - Wide coverage and history: Detection angle of 115 degrees and a 9 meter range enable real time monitoring day and night. You can track the history of sensor activity in the app. - Practical use scenarios: 1) Monitor the front door to get instant alerts when someone approaches. 2) Watch living areas to track movement of people or pets without triggering excessive alerts. 3) Secure a porch or hallway while you are away on vacation or business trips.