Item 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 Package List 1 x Pipe Leak Detector 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 1Widely Used: Water pipeline leakage tester is highly practical and suitable for water leakage detection of various construction pipeline wall. 2Adjustable Sound Levels: Water pipe leak detector detects leaks in pipe wall by amplifying sound, and with headphones, you can adjust the sound level. 3Dual 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. 4Collect 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. 5Small and Compact: Water pipeline leakage tester is compact and compact, easy to carry and store, and detect anytime, anywhere.