Feature: 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. Specification: 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 Detector1 x Pickup1 x Round Probe1 x Needle Probe1 x Headphones1 x Power Adapter1 x Data Cable2 x Instruction Manual