Ⅰ. [APP Remote Control] After connecting with the ZigBee Hub, download the APP on iOS and Android to add the device to detect water level overflow. Home security remains accessible at all times. Ⅱ. [Working Principle] When water leakage reaches the bottom of the sensor, it will send an alarm signal to the Zigbee gateway, and alert notifications will be pushed to your phone, allowing timely awareness of water overflow and reducing flooding risk. Ⅲ. [Voice Control & History Records Tracking] Compatible with IFTTT. Voice can be used to control connected devices. The history of sensor activities can be tracked. Suitable for water intrusion warning in homes, apartments (kitchen, toilet), warehouses, offices, laboratories, hotel rooms, garages, etc. Ⅳ. [Excellent Design & Low Power Consumption] Mini size design. Low-consumption design enables long working time. Battery time: 1 year (7 times/day); 2 years (3 times/day). Low battery alert is included. Ⅴ. [Easy to Install] No complicated installation tools are required. The sensor can be installed with double-sided adhesive tape in just a few steps. Ⅵ. Type: Water Level Alarm Ⅶ. Standby Current: 26uA Ⅷ. Alarm Current: 120mA Ⅸ. Standby Time: 2 years Ⅹ. Support systems: Android and IOS Ⅺ. Waterproof: IP66 Ⅻ. Operating Temperature: 0~70°C ⅩⅢ. Operating Humidity: 20% ~85% ⅩⅣ. Colour: As Shown ⅩⅤ. Material: plastic ⅩⅥ. Specifications: Zigbee ⅩⅦ. Package Contents: 1 x Water Sensor. Only the above package content, other products are not included. ⅩⅧ. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.