Features 1.Widely Used: Water pipeline leakage tester is highly practical and suitable for water leakage detection of various construction pipeline wall. 2.Adjustable Sound Levels: Water pipe leak detector detects leaks in pipe wall by amplifying sound, and with headphones, you can adjust the sound level. 3.Dual Probe: Water pipe leak detector features a dual probe design, including circular and needle probes, which can be switched according to the situation in the field. 4.Collect Sound Separately: Pipe leak detector can collect sound separately, and automatically close the separate acquisition function after plugging in the HY929 device connector to enter the connector acquisition state. 5.Small and Compact: Water pipeline leakage tester is compact and compact, easy to carry and store, and detect anytime, anywhere. specificationItem Type: Pipe Leak Detector Material: ABS Probe Sensitivity: -70db Maximum Sound Magnification: 20000x Permeability: Wall, Water Pipe, Cement Pipe, Steel Pipe Answering Method: Headphones, Can Be Connected to 16 Ohm Speakers Leak Detector Battery Type: Built in 300mAh Lithium Ion Battery Pickup Storage Type: Up to 32GB Memory Card Pickup Battery Type: Built in 220mAh Lithium Ion Battery PackageList 1 xPipeLeakDetector 1 x Pickup 1 x Round Probe 1 x Needle Probe 1 x Headphones 1 x Power Adapter 1 x Data Cable 2 x Instruction Manual