1,After the APP remote control is connected to the ZigBee Hub, download the APP "Smart Life / Tuya" on for iOS and for Android to detect water level overflow. 2,When water leaks from the bottom of the sensor, it will send an alarm signal to the Zigbee gateway and push the alarm notification to your phone. 3,Voice control and history tracking are compatible with IFTTT. Just use voice to control connected devices. 4,Suitable for apartments, warehouses, offices, laboratories, hotels, garages, etc. 5,The low power consumption miniature size can make it work for a long time. 6,An alarm is generated when the battery is low. 7,Easy installation does not require complicated installation tools. It only takes a few steps to install the sensor using double-sided tape. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.