HY929 High Strength Wall Microphone Voice Listen Detector for Engineer Water Leakage Oil Leaking Hearing for Repair. When people are talking in their voices are waveband, and depending on how loud they are talking, the waveband travels long distances which are picked up and amplified by this device.
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Microphone Adapters. This serious piece of kit is not for the faint hearted, be warned you can hear through indoor and outdoor walls. Microphone / Headphone Amplifier. Headphone output: 3.5mm stereo @ 250mW.
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Feature: 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.
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Feature: 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.
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Ear listen Through Wall Device Bug Eavesdropping Wall Microphone Voice Bug. High sensitivity detector. Coming with earphone. Easy to listen all the action. 1 x Earphone. 1 x Ear Listen Through Wall.
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Ear listen Through Wall Device Bug Eavesdropping Wall Microphone Voice Bug. High sensitivity detector. Coming with earphone. Easy to listen all the action. 1 x Earphone. 1 x Ear Listen Through Wall.
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Ear listen Through Wall Device Bug Eavesdropping Wall Microphone Voice Bug. High sensitivity detector. Coming with earphone. Easy to listen all the action. 1 x Earphone. 1 x Ear Listen Through Wall.
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Mode: HY929. The sensor on this audio gadget senses the vibrations hitting the walls, ceiling and floor and amplifies them so that you can listen to whats being said. It really makes "" more fun and productive.
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