【Advanced 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. 【Strong 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. 【Sound and Dual Detectors】The volume of the sound can be adjusted and switched according to the situation on site. Dual detector design, this water leakage detector including probe and stylus. 【Wide Range of Applications】The water leak detector has strong practicability and is suitable for leak detection of various construction pipelines. 【3.7V Lithium Battery】The water leak detector tool built in 3.7V lithium battery, which can be recharged repeatedly, have long service life and easy to use.