APP support:Yiweilian Working temperature:-10℃-55℃ Communication protocol:Zigbee System support:l0S8.0/Android 4.0 and above versions Hub Required:This product is only suitable for the Yiweilian gateway. Colour:White Material:ABS Package Contents: 1 * Water immersion sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. A water immersion sensor that can detect water leakage in the environment in real-time. When water immersion is detected, the detector will send an alarm signal to the host and report information to the user' phone. When the water level at the detection point reaches 0.5mm, the water intrusion sensor will report the water situation. Long battery life: Low energy consumption and long standby time. New detection adopts advanced detection modules to sense water bodies in real-time. When water flows through the two poles of the probe, an alarm message will be immediately sent to the gateway. Multi scenario application: The leak detection device can work normally in residential, hotel, shop, office, apartment and other places. Protect every moment. Scene linkage is achieved through a mobile app to preset scenarios. Once the monitored water level reaches the preset height, a remote alarm will be triggered. When the warning water level is reached, the phone will receive a reminder pushed by the app, allowing you to know in a timely manner. The phone can close the water outlet through a remote solenoid valve.