Hotselling PTZ （HIKVISION, DAHUA , HITOSINO) camera can automatically zoom (or “track”)” to keep a target in the center of the image. our new generation PTZ cameras keep the overall view even during the pan, tilt, and zoom maneuvers. With the increasing cases of theft, crime and violence at homes, offices and other public places, people have started looking for best security systems, advanced cameras and monitoring tools to ensure their physical safety. In midst of all this chaos, PTZ cameras have emerged as a powerful tool in the world of surveillance，It enable users to view from any angle, for any detail, at any moment.