Pan Tilt Zoom, or PTZ Seurveillance Cameras are Usually Dome Type CCTV Cameras where movement of the Cameras can be remotely controlled using DVR with PTZ feature, or PTZ Controller. Also known as Speed Dome, these Cameras are Perfect for Real Time Security in places like malls, large retail stores, casinos, parking lots, airports etc. PTZ Cameras are also used for surveillance of different processes in plants, minig industry, construction. Zoom feature available on most models allows getting close up picture and is controlled remotely.