Feature: 1. Easy and Comfortable to Detect: By amplifying the sound to detect the pipeline leakage, comes with a 32Ω; soft sponge headphone, 20000X audio magnification. You can adjust the volume of the sound and can be connected to external 16Ω speakers. 2. Dual Probe Design: The water leakage detection kit comes with 2 kinds of detection probe: a long slim probe and a round probe, you can switch it according to the scene for more accurate detection results. 3. Wide Range of Application: Water pipe leakage monitor is practical and highly penetrating and can be applied to water pipes, cement pipes, steel pipes, etc. Widely suitable for home, construction, car maintenance, ect. 4. Cordless and Portable: Water pipeline detection tool built-in rechargeable battery, easy to use without wire limit. Compact and lightweight, equipped with a storage bag, easy to store and carry.easy to store and carry. 5. Durable and Sensitive Material: The water leak detector is made of high-quality ABS and metal materials, with -70D db high sensitive; wear and corrosion resistant, not easy to damage, durable and reliable. Specification: Specification: Plug: EU plug / US plug(optional) Main Material: ABS+Metal Color: Black Current Consumption: 15mA Battery: 500mAh lithium battery 3.7V Probe Sensitivity: -70D db Maximum Audio Magnification: 20000X Answering Method: 32 ohm Headphones(include), can be connected to 16 ohm speakers (NOT included) Charging time: About 3 hours to 90%, more than 12 hours to 100% Long probe length: 12cm/4.72in Round probe size: 2.4*3cm/0.94*1.18in Detector size: 6*6*2.2cm/2.36*2.36*0.86in Package List: Package List: 1 x Water Pipe Leakage Monitor 1 x Long Probe 1 x Round Probe 1 x Headphone 1 x USB Cable 1 x Power Adapter 1 x Storage Bag 1 x Manual