Feature: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.Specification:Item Type: Water Leakage Detector KitMaterial: ABSProbe Sensitivity: -70DdbMaximum Sound Amplification: 20000XPenetration: Water Pipe, Cement Pipe, Steel PipeListening Mode: Earphones with Headphone, Can Be Connected to External 16 SpeakersBattery Type: Built in 300mAh Lithium Ion Battery.Package List:1 xWater Leakage Detector1 x Round Probe1 x Needle Probe1 x Earphone1 x Headphone1 x Power Adapter1 x Data Cable1 x Instruction Manual