Specifications: 1. When you buy and install this leak-proof device: when the alarm detects overflow, it reacts quickly, the alarm flashes and the phone receives an APP push reminder to let you know in time and take corresponding measures. 2. Intelligent linkage valve robot to close the valve; 3. Long standby time, more worry-free: low power consumption, standby to 1 year, the product contains a built-in battery, usb charging 4. Can be flexibly installed in the kitchen, bathroom, balcony and other locations. 5. Easy to install, cell phone can check the history ZigBee Water Flood Sensor Detect water leakage and water level With Low Battery remind function Remote monitoring, water leakage alarm, intelligent linkage, low power consumption Power supply: DC 5V1A (Type-C ) Battery capacity: 200mAh rechargeable battery Duration: 12 months Charging duration: 2 hours Wireless Technology: Zigbee3.0 IEEE 802.15.4 Material: plastic colour: blue Package Contents: 1 x Sensor 1 x detection cable 1 x Charging cable 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.