An invaluable device for each private investigator and private detective is this landline telephone recorder which will allow them to record crucial evidence from both conversations in an investigation, when connected to a landline socket. It's perfect for long term surveillance of telephone calls, recording as much as 280 hours of conversation, or to back up a private investigator’s or private detective’s own calls. A separate battery pack is also available.
A actually useful feature of the device is that it only records the sounds from the telephone line and not random sounds in the room. This ensures that the recordings are of high quality, which is vital to any investigation a private investigator or private detective undertakes, as evidence needs to be clear without having background noise to stop confusion. The landline telephone recorder also comes with an added external microphone, using a lead a metre in length, so the device could be deployed in a range of situations. To play back the recordings, earphones can be plugged in to listen to the evidence, which are supplied with all the device, or a private investigator or private detective can listen by way of a PC with no the want for software program, as a computer will recognise it as a flash drive USB.
http://www.edinburgh-privatedetectives.co.uk