Testing Device Kit - Standard Version - 1 Set

[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.

[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.

[Clear Sound] Voice listening detector has excellent sound clarity and can be used anywhere, even indoors or in buildings. Built in 200mAh lithium battery, compact design, easy to carry.

[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.

[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 materials and floors, wall, etc, to meet your needs.