High Definition 4 in 1 Cameras, HD-TVI, HD-CVI, A-HD, 960H Pan Tilt Zoom Cameras, also called Speed Dome Cameras. Movement of the camera can be controlled remotely from DVR location or from anywhere in the world with remote access from computer or any mobile device. HD TVI PTZ Cameras if used with compatible DVR, do not require extra wiring for PTZ control. They can be used indoor and outdoor. We have Day&Night models, as well as Infrared Night Vision models. With resolution up to 8MP or Ultra HD 4K.