Feature: 1. Enhanced Sensitivity: Our water leakage detection device utilizes new components to amplify sound waves through wall, significantly improving sound quality for pinpoint detection. 2. REC3.5 Jack Extension: Easily connect to display screens, recording pens, transmitters, or wireless devices, and even insert dual channel wires for direct recording, offering versatile functionality. 3. Compact Design, Long Battery Life: With a built in 100mAh rechargeable battery and a common for Android charging interface, this device can work continuously for 5 to 7 hours, ensuring extended operational time. 4. Noise Filtering Technology: Featuring advanced noise filtering technology, our detector efficiently eliminates background noise, allowing for faster and more accurate detection of leakages. 5. 13000X Sound Amplification: Equipped with powerful sound amplification capabilities, our device can penetrate water pipes, cement pipes, and steel pipes, making it suitable for detecting leakages in various construction pipelines. Its compact 37 x 34mm size ensures convenient portability. Specification: Item Type: Water Leakage Detector Material: ABS Current Consumption: 12mA Compatible Battery: 3.7V Lithium Battery 100mah x 1 (Built in Battery included) Probe Sensitivity: -60Ddb Maximum Sound Amplification: 13000X Penetration: Water Pipe, Cement Pipe, Steel Pipe Listening Method: 32Ω Headphones . Package List: 1 x Water Leakage Detector 1 x Earphones 1 x USB C Data Cable 1 x Manual