Features: 1.Excellent Sensitivity: Water leak sensor has high sensitivity, it will issue an high dB alarm immediately when the contactor comes into contact with water,. Notify danger in a timely manner. 2.Size: Water leakage detector measures 85x85x35mm/3.35x3.35x1.38in, compact size and lightweight, easy to install and carry. 3.Premium Material: Made of high quality environmentally friendly ABS plastic, wear resistant and smooth, healthy and nontoxic, allowing you to use it with confidence. 4.Battery Operated: Low power consumption, no need to replace the battery (not include) frequently, long standby time. 5.High Reliability: The manufacturing conforms to the standard specification, strictly follows the factory quality control. Specification: Item Type: Water Leakage Alarm_x000D_ Material: ABS_x000D_ Size: Approx. 85x85x35mm/3.35x3.35x1.38in PackageList: 1 x_x000D_ _x000D_ Water Leakage Alarm