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.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 BatteryAdapter: 100-240v Package List1 x Water Leakage Detector1 x Round Probe1 x Needle Probe1 x Earphone1 x Headphone1 x Power Adapter1 x Data Cable1 x Instruction Manual