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This Listen by way of the Wall Device could supply crucial evidence for any private detective and private investigator as it can pick up even minute sounds, through a unique amplifier, by means of walls, windows or partitions. Attached to the amplifier can be a extremely sensitive ceramic microphone which is designed to choose up vibrations which are converted into a voltage which may be then be produced into audible sound. The amplifier has an adjustment to allow the sounds to be heard clearly and at the required volume.
Private detectives and private investigators can simply hold the device to the surface in question, up to 300mm thick, and then listen in through stereo headphones. All the evidence may be recorded by connecting a recording device, like 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 useful piece of kit for every private detective and private investigator.
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Private Detective Resources
- WAD - World Association of Detectives - wad.net
- Infidelity Detectives - Matrimonial Specialists - infidelitydetectives.co.uk
- WAPI - World Association of Professional Investigators - wapi.org
- The Private Detective - UK based Investigators - theprivatedetective.com