Through Wall Door Microphone Amplifier, Probe Microphone Amplifier Earphones System, High Strength Wall Microphone Voice Listen Detector for Pipe Water Oil Leakage

[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. [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. [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. [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. [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. Specification:
Item Type: Through Wall Microphone
Material: Plastic, Electronic Components
Product Size: Approx. 61 x 3.5mm / 2.4 x 0.1in
Current Consumption: 10mA
Battery: 200mAh Lithium Battery (Included)
Operating Temperature: -20℃-50℃
Applicable: Cement Wall, Steel Wall, Wooden Wall, Iron Wall, Glass Wall, Hollow Bricks, etc. And Various Piping Materials and Floors, Wall, etc.
Monitoring Method: Earphone, External Speakers Can Be Connected

How to Use:
Use after charging

PackageList:
1 xThrough Wall Microphone
1 x Earphone
1 x Data Cable

Note:
1. Manual measurement, please allow some errors.2. This detector is a simple home version and its sensitivity cannot be compared to more expensive products. It can only be tested briefly and must be purchased with caution for more demanding requirements.