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Voice Activated Calculator
Nobody would guess that this completely working desk best calculator hides a secret. It is an ideal device for any private detective or private investigator in corporate or personal investigations as it would not arouse suspicion, as a calculator is common location in any property or workplace. There's no visible indication that this is something but a calculator as the voice recording method is hidden inside.
The calculator recorder uses an SD card, as much as 32GB, which can store 570 hours of recording, and is battery powered, giving around 12 hours of sound activated recordings. The back of the calculator has to be removed, by the private investigator or private detective, to access these and to operate the start/stop control. The use of an SD card reader enables the private detective’s or private investigator’s evidence to be retrieved on his or her PC to support the investigation in progress. This really is an really successful device for covert surveillance as nobody would suspect their conversations were becoming recorded by such an innocuous item.
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