1、Collect Sound Independently: The pickup recorder can collect sound independently. After plugging in the 929 device connector, it will automatically turn off the independent acquisition function and enter the connector acquisition state. 2、Advanced Technology: The water pipe leak detector adopts new components and the most advanced technology in Japan, which increases the penetration force several times and greatly improves the sound quality. 3、Sound Adjustment and Dual Detectors: The volume of the sound can be adjusted and switched according to the situation on site. Dual detector design, including probe and stylus. 4、Wide Range of Applications: The underground water pipe leakage detector has strong practicability and is suitable for leak detection of various construction pipelines. 5、Strong Penetrability: The underground water pipe leak detector has strong penetrability, whether it is water pipe, cement pipe or steel pipe, it can play a very good effect. Item Type: Water Leakage Detector Product Material: ABS Weight: Approx. 365g / 12.9oz Consumption Current: 15mA Applicable Battery: Lithium Battery 3.7V (Shipped with Built in Battery) Battery Model: 571935 Battery Capacity: 350mAh Probe Sensitivity: -70Ddb Maximum Audio Magnification: 20000X Penetration: Water Pipe, Cement Pipe, Steel Pipe Answer Mode: 32Ω Headset, External 16Ω Speaker Pickup Parameters: Charging Duration: 3-5 Hours Battery: 220mAh Lithium Battery (Shipped with Built in Battery) Sound Acquisition Time: About 5-6 Hours, Current About 40mA Continuous Playback Duration: About 6-7 Hours, Current About 35mA Memory Card: Support 32G Micro Memory Card (Shipment Without Micro Memory Card) Product Size: Approx. 6x5.8x2.3cm / 2.4x2.3x0.9in 1 x Water Leakage Detector 1 x Probe 1 x Headphone 1 x Probe Head 1 x USB Cable 2 x Manual 1 x Plug 1 x Pickup