Use Zigbee, Tuya Zigbee hub is required,The sensor uses Zigbee to communicate with the server for data. So it 't be by other WiFi devices. Its communication link is more stable and faster. And it not supported other zigbee hub APP Remote Monitoring, The alarm information and records of the sensors are all stored on the server. This design allows us to monitor whether there is water in the home or from any place through the smartphone. And can also share the control information of the device to others Water poof, water leak detection,The sensor can detect whether there are water leakage at the installation location. If this is found, the information be pushed to the phone immediately Easy to Install, The installation of the sensor is very simple, you can use adhesive taps to install at the location you need to install, please note that the installation location should be connected to the Zigbee Hub Low battery consumption, The power consumption of the sensor in standby mode is very small, and one CR2032battery can be used for one year. And when it detects that the battery is low, it remind you to replace the battery through the alarm message, Weight: 0.661386786 Pounds, Manufacturer: Kueohse