Features: [APP Remote Control] Simply download the "Smart Life/Tuya Smart" app on iOS and Android to add the device to detect human body movements, no hub required. Home security at your fingertips at all times. [Advanced Motion Sensor] The PIR detects human body or animals in motion, MCU technology to avoid all kinds of false alarms. High sensitivity and stability. [Emergency Alert Function] When motion is detected, alert notifications will be pushed to your phone, be aware of what's happening at home even when you're away. [Wide Detection Area & History Record Tracking] A 360° detection angle, 6m detection distance, allows real-time monitoring day and night. You can track the history of sensor activities. [Strong Performance] Strong network signal. Ultra-long standby time. Powered by 2 LR03 batteries (NOT included). Features: Battery: 2 * LR03 (AAA batteries, NOT included) Standby Current: ≤75uA Alarm Current: 60mA Sensitive Angle: 360° Ceiling Installation Installation Method: Ceiling/Wall Sensitive Distance: 6m Wireless Type: 2.4GHz Protocol: IEEE 802.11b/g/n APP: SmartLife/Tuya Material: Superior ABS Working Temperature: -30? ~ 70 Operating Humidity: -10% ~ 50% Package Size: Approx. 6.2 * 6.2 * 5.4cm / 2.44 * 2.44 * 2.12in Package Weight: Approx. 52g / 1.83oz Package List: 1 * PIR Motion Sensor 1 * Sticker 1 * Bag of Screws 1 * User Manual