Features 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. specificationItem Type: Water Leakage Detector Kit_x000D_ Material: ABS_x000D_ Probe Sensitivity: -70Ddb_x000D_ Maximum Sound Amplification: 20000X_x000D_ Penetration: Water Pipe, Cement Pipe, Steel Pipe_x000D_ Listening Mode: Earphones with Headphone, Can Be Connected to External 16 Speakers_x000D_ Battery Type: Built in 300mAh Lithium Ion Battery_x000D_ Adapter: 100-240v PackageList1 x_x000D_ _x000D_ WaterLeakageDetector 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