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This Listen through the Wall Device could present essential evidence for any private detective and private investigator as it can pick up even minute sounds, through a unique amplifier, via walls, windows or partitions. Attached to the amplifier can be a extremely sensitive ceramic microphone which is developed to choose up vibrations that are converted into a voltage which might be then be produced into audible sound. The amplifier has an adjustment to enable the sounds to be heard clearly and at the needed volume.

Private detectives and private investigators can basically hold the device to the surface in question, up to 300mm thick, after which listen in through stereo headphones. All of the evidence can be recorded by connecting a recording device, including an MP3 player, into an audio output socket. A 9 volt battery powers the listen by way of the wall device and will give private detectives and private investigators as much as 24 hours of use. This is surely a very beneficial piece of kit for each and every private detective and private investigator.

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