Spy device
Definition and description
Thespy device refers to any device intended to monitor a subject without his knowledge. Its action may be to photograph and/or film the latter's actions, but also to follow him or record his conversations.
Specificities
For the sake of discretion, spy devices are, on the one hand, tiny in size. This is in order not to be noticed. This is the case mini camera recorders wifi, popularized as "wifi" hidden camera ». Also very famous, the GPS trackers are small device: just stick it to the surface of the monitored object to be able to track its movements. On the other hand, spy devices can be camouflaged by a form so innocuous that it is difficult to perceive them. Examples include a computer mouse with a microphone to record a conversation, a tie with a built-in camera, or a alarm clock spy recorder. Thanks to rampant technology, the resolution of the recordings can be very good. Depending on the terrain, spy devices are equipped with improved devices: night vision to continue filming in the dark, a motion detector to film only when in the room.
use
The spy devices are used to gather information. Police investigators and investigative journalists use it to obtain evidence, either by direct interrogation or by tracking. They are also used to monitor for, for example, the protection of businesses and private homes. For night vision devices, they are generally used to film wild animals in their natural habitat without scaring them.
