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 strong anti-interference ability, it will push alarm notifications to the smart APP when it detects human movement within the detection range. Features: Smart Human Motion Sensor: Adopts PIR sensor, with high sensitivity and strong anti-interference ability. Wifi or ZigBee type for option. A ZigBee gateway is required (not included) for using the ZigBee type. APP Control & Alarm Notification: Easy to control the sensor via APP, when it detects human movement within the detection range, it will push alarm notifications to your smartphone. Intelligent Linkage: Create smart scenes with other smart devices that are also compatible with Smart/ Smart Life to realize DIY home automation. Sensitive Motion Induction: 5m (16.4ft) detecting distance, 120-degree detecting angle, with real-time day and night monitoring, better protects your house. Easy Installation: Comes with a double-sided adhesive tape for easy installation, no wire required. Compact and lightweight, concise appearance, fits well with your modern house. Battery Operated: Easy to install and replace 2 AAA batteries (not included). With low power consumption and long standby time. 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) -- Optional Color: White Material: ABS Wi-Fi: 2.4GHz ZigBee: ZigBee 3.0 Detection Range: 5m (16.4ft), 120 Degrees APP Download: Compatible with Smart/ Smart Life Power Supply: 2 * 1.5V AAA Battery (Not included) Working Condition: 5-60, 20-80% RH Item Size: 50 * 50 * 27mm / 1.97 * 1.97 * 1.06in Item Weight: 19g / 0.65oz Package Size: 5.5 * 5.5 * 2.5cm / 2.17 * 2.17 * 0.98in Package Weight: 24g / 0.83oz Package List: 1 * Human Motion Sensor 1 * Double-sided Adhesive Tape