Description: 【High Sensitivity Audio Detection】: Equipped with a powerful metal , this device excels at amplifying faint sounds through solid surfaces. Effortlessly listen through walls, concrete, and pipes to accurately the source of water leaks, drips, or other hidden noises that are impossible to hear with the naked ear 【Sturdy & Professional Construction】: Built from a solid metal casing, this water leakage detector is designed for rugged, long term use in both home and industrial settings. Its sturdy construction ensures reliable performance and durability, making it a dependable tool for plumbers, maintenance professionals, and DIY enthusiasts 【Compact & Portable Design】: Measuring a mere 57x35x35mm, this detector is incredibly lightweight and compact. Its small footprint allows for easy handling and access to tight, hard to reach spaces, making it the great portable solution for any inspection job 【Complete All in 1 Kit】: Get everything you need to start immediately. The package includes the main detector unit, a pair of headphones, a USB charging cable for easy power, and the contact probe for optimal sound transmission 【Versatile & Simple to Operate】: This device is incredibly easy to use. Simply the unit, plug in the headphones, and place the probe against the desired surface. It's the ideal tool for a wide range of applications, from finding household leaks to conducting professional industrial pipeline inspections Specification: Material: Metal and Others Battery: 200mah Working Time: 5-7h Size Chart: 5.7cmx3.5cmx3.5cm/2.24inchx1.38inchx1.38inch Package Includes: 1 Main 1 Earphone 1 Charging Cable Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.