【APP Remote Control】Simple download APP "Smart Life/Tuya" on iOS and to add the device to detect the human body movement, no hub required. Home security in your hand all the time..【Advanced Motion Sensor】PIR detects human body or animals that are moving, 120° detection angle, 5m detection distance, can achieve real-time ing day or night..【Emergency Alert Push Function】When there is movement detected, the alert notifications will be pushed to your phone, be aware of what's happening at home even when you're away..【History Recos Tracking】Compatible with IFTTT. Simply use your voice to control the connected devices. You can track the history of sensor activities..【 Performance & Ultra-long Standby Time】Long transmission distance, high sensitivity, and network signal. Ultra-long standby time. Powered by 3pcs 1.5V batteries(not included), can last for 5-6 months.