Features: *Water leakage alarm: If the water level exceeds the sensor an alarm notification will be pushed to your mobile phone to timely identify the overflow and reduce the flood risk. *Set up regular defense disassembly and deployment: You can set up defense to start at night to ensure safe and safer sleep. Set morning defense evacuation *APP remote control Mobile phone APP control connected to the network through wifi remote control at any time *Sharing function: share with family to achieve joint control *Alarm system When water comes into contact with a sensor it will connect to your WiFi and send you an alarm through the tuya application *No installation required. The immersion sensor can be placed and used at will according to requirements; The hidden key design and appearance structure are integrated practical and beautiful quietly guarding every inch of the ring. Specifications: Working temperature: - 10 ℃ - 50 ℃ Wifi type: 2.4GHZ 802.11b/g/n Application: Smart Life Size: 91 * 38 * 22mm Package Included: 1pcs*Water immersion sensor or 4pcs*Water immersion sensor