Usage Tips:Feature:1. Enhanced Sensitivity: Our water leakage detection device utilizes 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 DetectorMaterial: ABSCurrent Consumption: 12mACompatible Battery: 3.7V Lithium Battery 100mah x 1 (Built in Battery included)Probe Sensitivity: -60DdbMaximum Sound Amplification: 13000XPenetration: Water Pipe, Cement Pipe, Steel PipeListening Method: 32 Headphones.Package List:1 x Water Leakage Detector1 x Earphones1 x USB C Data Cable1 x Manual