Description: WiFi directly connection design can be used independently without a gateway. 0.5mm immersion detection result can quickly pushed to the mobile application. Waterproof sensor does not need to install, just place it in a location that is easy to leak. Alarm support intelligent scene control and linkage scene setting. Water leak sensor is made of good quality material, durable to use. The length of this product is 7.3cm, the width is 7cm and the height is 2.2cm. Flood alert is suitable for home, kitchen, bathroom and other positions where is easy to leak. Item Name: Water Leakage Sensor Material:Plastic,Metal Operating Hours: > 2500 Times Batteries: 450mAh Battery (Included) Supply Voltage: DC 5V WiFi Connection: WiFi 2.4GHz Detection of Water Level: 0.5mm Size:7.3cmx7cmx2.2cm/2.87inx2.76inx0.87in Notes: 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. Package Includes: 1 X Charging Cable 1 X User Manual 1 X Reset Pin 1 X Water Leakage Sensor