Smart human motion sensor is compact and lightweight, and is very suitable for installing in different rooms or corners of your house to provide home security. With high sensitivity and b anti-interference ability, it will push alarm notifications to the smart APP when it detects human movement within the detection range. Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications:Type: Type 1 (Wi-Fi)/ Type 2 (ZigBee) -- OptionalColor: WhiteMaterial: ABSWi-Fi: 2. 4GHzZigBee: ZigBee 3. 0Detection Range: 5m (16. 4ft), 120 DegreesAPP Download: Compatible with Tuya Smart/ Smart LifePower Supply: 2 * 1. 5V AAA Battery (Not included)Working Condition: 5-60, 20-80% RHItem Size: 50 * 50 * 27mm / 1. 97 * 1. 97 * 1. 06inItem Weight: 19g / 0. 65ozPackage Size: 5. 5 * 5. 5 * 2. 5cm / 2. 17 * 2. 17 * 0. 98inPackage Weight: 24g / 0. 83ozPackage List:1 * Human Motion Sensor1 * Double-sided Adhesive Tape