Feature: 1. High Sensitivity Sensor: The water pipe leak detector boasts a highly sensitive sensor head, utilising advanced techniques and new components which enhance the detection ability several times over, ensuring more accurate leak detection. 2. User Friendly Design: Featuring a charging port, 3.5mm headphone jack, and an upward switch knob, the detector provides compact and complete functionality. The design is intuitive and easy to use, making adjustments a breeze. 3. Enhanced Versatility: This underground water leak detector can be connected to display spectrum, recording pen, transmitter, wireless equipment, etc. (not included), but also can be inserted into the dual channel for direct recording. 4. Advanced Sound Technology: Equipped with advanced audio technology and a highly sensitive headphone, the pipe leak detector increases sound quality and filtration of noise. This enhances the overall user experience, making for faster and more efficient leak detection. 5. Improved Penetration Ability: Thanks to the use of new components and technology, the water leakage sound amplifier boasts increased penetration ability. This technological advancement translates into greater sound quality and more accurate detection of leaks. Specification: Item Type: Water Leak Detector Material: ABS Battery Capacity: 3.7V 850mAH Lithium Battery (Built in Battery) Probe Sensitivity: -60DDB Maximum Audio Amplification: 13000X Application: Water Pipe, Cement Pipe, Steel Pipe Sound Input: 32 Ohm Headphones. Package List: 1 x Detector 1 x Pointer Display Spectrum 1 x USB Charging Cable 1 x Pair of Earphones 1 x User Manual