1Advanced Technology: The water leakage detector adopts new components and the most advanced technology in Japan, which increases the penetration force several times and greatly improves the sound quality. 2Strong Penetrability: The water pipe leak detector has strong penetrability, whether it is water pipe, cement pipe or steel pipe, it can play a very good effect. 3Sound 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. 4Wide Range of Applications: The water leak detector has strong practicability and is suitable for leak detection of various construction pipelines. 57V Lithium Battery: Built in 7V lithium battery, which can be recharged repeatedly, have long service life and easy to use.1 x Water Leak Detector1 x Probe Pin1 x Headphone1 x Probe1 x USB Cable1 x Manual