Feature: 1. Working Principle: The instrument works by utilizing the shock waves from physical sound sources to transmit sound and gradually amplify it until it can be heard clearly. This principle enhances the efficiency and reliability of leak detection. 2. Precise Craftsmanship: This professional leakage detector kit is finely crafted, making it a precise and accurate instrument for detecting leaks. It ensures that even the slightest leakage can be detected effectively. 3. Strong Sensitivity: Equipped with superior performance, this leakage detector kit possesses strong sensitivity. It is capable of detecting leaks within a second, allowing for quick identification and resolution of the issue. 4. Clear Sound Quality: The audio of the leaks is amplified 25,000 times, resulting in high definition sound quality. This enables the detection of even the smallest sounds, ensuring accurate identification of leaks. 5. Four Adjustable Modes: This detector kit offers four different modes that can be adjusted according to specific circumstances. This flexibility allows you to select the appropriate mode to cater to different conditions, ensuring optimal performance. Specification: Item Type: Pipeline Leak Detector Material: Stainless Steel Battery Type: 6F22 Dry Cell 9V 300MAH (Built in Battery) Operating Time: 10-23 Hours (Depending On Sound Strength) Four Audio Selections: 3 Speed (100Hz-700Hz), 2 Speed (700Hz-900Hz), 1 Speed (900Hz-100Hz), 0 Speed (1100Hz-1600Hz) Probe Sensitivity: -60db Audio Amplification: 25000 Times Maximum Detection Depth: Approx. 1 M / 39.4in. Package List: 1 x Main Unit 1 x Sensor 1 x Earphone 1 x Aluminum Case