Wall Listening Device
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We bring forth a superior variety of Wall Listening Device that works by the principle of amplifying the vibration of audio. The wall listening device works best on wooden walls, doors, windows, steel plates, etc with a barrier thickness of 6“ to 10“ inches. The wall listening device can be acquired by the esteemed clients at market leading prices.
salient features :
works on cement wall, lanter, concrete wall works on wooden walls, doors, windows, steel plates, etc.spy bug with earphonesvolume dial to amplify sounds3.5mm earphone jackon/off switch button with volume dialbuilt in rechargeable batteryhighly sensitivedimensions : l:43 x diameter:36 (mm)
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