Features:  ZigBee Flood Sensor: A ZigBee gateway is required for using this ZigBee flood sensor. Easy to control the sensor via APP (compatible with Tuya Smart/ Smart Life).  Water Leakage Detection: When the sensor part is immersed by water, the water leakage detector will trigger and send notifications to the smart APP.  Real-time Alarm Query: Convenient to view the alarm records in the APP anytime anywhere. The historical data helps you keep track of different situations.  Wide Application: Mini size and lightweight, easy to stick it to the surface via double-sided tape. Suitable for bathroom, kitchen, laundry room, warehouse, engine room, etc.  Battery Operated: Easy to install and replace 2 AAA batteries (not included). With low power consumption, long standby time and low battery reminder function.    Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding.    Specifications:  Color: White  Material: ABS  Wireless Technology: ZigBee 802.15.4  Wi-Fi: 2.4GHz, 802.11 b/ g/ n  APP Control: Compatible with Smart Life/ Tuya Smart  Operating Temperature: -20℃~85℃  Power Supply: 2 * AAA Battery (Not included)  Wire Length: about 1m  Package Size: Approx. 9 * 5 * 3cm / 3.54 * 1.97 * 1.18in  Package Weight: Approx. 300g / 10.58oz    Package List:  1 * ZigBee Flood Detector  1 * Double-sided Adhesive Tape  1 * User Manual (English)