Item Type: Water Leakage Detector Material: ABS Probe Sensitivity: -70db Maximum Sound Amplification: 20000 Times 20000X Penetration: Water Pipe, Cement Pipe, Steel Pipe Listening Mode: Headphones, Can Be Connected to the External 16 European Speakers Battery Type: Built in 300mAh Lithium Ion Battery Package List 1 x Water Leakage Detector 1 x Round Probe 1 x Needle Probe 1 x Earphone 1 x Power Adapter 1 x Data Cable 1 x Manual 1. The depth of water leakage tested by the product is about 1m;2. When you need to use the probe, turn the switch to the probe sign, and when you need to use the probe, turn the switch to the probe position;3. Usually the probe is used for flat land, and the probe is used for gaps; 1Widely Used: Water pipe leakage monitor is practical and suitable for leakage detection of all kinds of construction pipes. 2Amplify Sound: Water leakage monitor detects pipe leaks by amplifying the sound, using headphones, you can adjust the sound level. 3Dual Probes: Water leakage detector uses a dual probe design, including a circular probe and a needle probe, which can be switched according to site conditions. 4Application: Water pipeline detection tool is highly penetrating and can be applied to water pipes, cement pipes, steel pipes, etc. 5Premium Material: Water pipeline detection tool is made of premium ABS material, durable and long service life.