1Portable Size: This tool is small in size and convenient for daily use; Users can place it in a toolkit without occupying too much storage space. 2Built in Battery: This detector uses a rechargeable battery for power supply. The battery can be reused, facilitating timely charging by users. 3Clear Sound Quality: The water leakage detector adopts new components and advanced technology, greatly improving the sound quality and giving you a better experience. 4Widely Used: This tool can be used for leakage detection of various construction pipelines such as domestic water pipes, cement pipes, steel pipes, etc. This water leakage detector is an essential tool for pipeline engineers. 5Volume Control: The volume can be adjusted through the volume knob, and you can adjust the volume according to your own needs in a timely manner. Item Type: Water leakage detector Material: ABS Weight: 98.00g/3.46oz Voltage: 100V-240V Battery Type: Lithium battery [built in] Battery Model: None Battery Capacity: 500mAh Probe Sensitivity: -60 ddb Audio Magnification: 13000 times Penetration: Water pipe, cement pipe, steel pipe sound Product Size: Approx. 34x37mm / 1.3x1.5in Product Body Height: 27mm/1.06in Knob Diameter: 12.6mm/0.50in 1 x English Instruction 1 x Data Cable 1 x Plug 1 x Headset 1 x Water Leakage Detector