The invention relates to a CCTV camera and system. Existing CCTV systems sometimes have many cameras which monitor offices, shops or public places. There is often a risk that a detected incident or event is not displayed at a control room at the time when the event occurs. In a preferred embodiment, the invention provides a CCTV system in which means is provided at a camera to obtain information indicative of displacement of an object in the field of view (FOV) of the camera. Processing means determines whether said information exceeds a predetermined threshold and if this occurs switches a monitor to receive from said camera(s). The advantage of the invention is that viewed events are displayed automatically at the instant they occur.