Cameras are boxes which look like cameras but are not. Dummy cameras give the
impression of being a camera usually as an addition to an existing system with
no available channel for a real camera. These cameras are used simply to have in
additional areas where the user wants people to see cameras
who have a minimal budget and want to cover a large area where they cannot mount
a camera may use dummy cameras. These cameras can detour trespassers simply
by looking like working cameras.