1、[High Sensitivity] Water leakage detector kit with ‑70Ddb high sensitivity probe, can penetrate all kinds of construction pipes for water leakage detection. 2、[20000X Amplification] The water pipe leakage detector offers up to 20000X sound amplification to accurately catch the sound of pipe leakage. 3、[Wide Range Of Applications] Water pipe leakage monitor detector is practical and suitable for water leakage detection at home and construction sites. 4、[Dual Probes] Dual probe design, supporting round probe and needle probe switching to adapt to different site conditions. 5、[Comfortable Listening] Water leakage listen tester is equipped with earphone and headphone with adjustable sound levels for comfortable use. Item Type: Water Leakage Detector Kit Material: ABS Probe Sensitivity: -70Ddb Maximum Sound Amplification: 20000X Penetration: Water Pipe, Cement Pipe, Steel Pipe Listening Mode: Earphones with Headphone, Can Be Connected to External 16Ω Speakers Battery Type: Built in 300mAh Lithium Ion Battery 1 x Water Leakage Detector 1 x Round Probe 1 x Needle Probe 1 x Earphone 1 x Headphone 1 x Power Adapter 1 x Data Cable 1 x Instruction Manual