1、High Accuracy Detection: This plumber leak detector adopts advanced technology, which can realize the leakage detection within 1500cm, and the frequency range reaches 25Hz‑2500Hz, with high accuracy and credibility, which greatly reduces the possibility of misjudgement and omission, and provides you with professional and reliable detection services. 2、Multiple Gears Adjustable: This leak detector provides adjustable amplification gain in low, medium and high gears, and the working mode is all pass mode, which flexibly meets different environments and needs. No matter what kind of working environment you are in, you can quickly and accurately determine the leakage point with just a simple adjustment. 3、Built In 1200mAh Lithium Ion Battery: This acoustic pipeline water leak detector comes with a 1200mAh built in lithium ion battery with a short charging time and standby time of up to 10‑23 hours. Whether it is a short time emergency application, or a long time continuous work, can be stable and reliable, compound your different site needs. 4、Headphones: This filter tube leak detector is equipped with headphones, you can directly listen to the measured sound, which greatly improves the efficiency of the leak detection, while reducing the interference of the surrounding environment, providing you with a more intuitive and convenient way of working, and enhancing your work efficiency. 5、Good Compatibility: This acoustic pipeline water leak detector can be adapted to a variety of power environments, no matter where you use it, you can easily meet the needs. You can work stably no matter where you are. Item Type: Pipeline Leakage Detector Material: Aluminum Alloy Measurement Range: Suitable for leak detection up to 1500cm / 590.55in Amplification Gain: Low, Medium, High Adjustable Frequency Range: 25Hz-2500Hz Operating Mode: Full Pass Mode Headpset Configuration: Headphones Battery Type: Built In 1200mAh Lithium Ion Battery Charging Time: 3-10 Hours Standby Time: 10-23 Hours Power Consumption: 30-150mW (Dependent on sound volume) 1 x Pipeline Leak Detector 1 x Sensor 1 x Earphone 1 x Data Cable 1 x Adapter 1 x Manual 1 x Storage Box