Through Wall Microphone High Strength Voice Listen Detector Amplifier For Pipe W

Feature: \n 1. [Multi Application] High strength through wall microphone can be used for pipe side leakage, floor heating detection, and water detection. Applicable to various pipeline materials and floors, wall, etc.\n2. [Multi Functional] Through wall microphone amplifier is fully functional with charging hole, earphone hole and on off knob to provide accurate measurement. High sensitivity metal arrangement improves sensitivity and sound quality.\n3. [Clear Sound] Voice listening detector has excellent sound clarity and can be used anywhere, even indoors or in buildings. Built in 200mAh li battery, compact design, easy to carry.\n4. [Easy To Operate] The probe will be attached to a variety of piping materials and floors, pipes, wall, you can hear the subtle sound through the earphone that you normally can not hear.\n5. [Widely Used] Ear listening device amplifier is suitable for concrete wall, steel wall, wooden wall, iron wall, glass wall, hollow blocks, etc, and various pipe mate: