CCTV stands for closed-circuit television. So how does a modern CCTV system work? The answer depends on the type of system involved. The systems are best defined by the types of cameras used. There are two common types of cameras in use today: Analog and IP-based cameras.
Analog cameras are the traditional cameras you see in camera systems. They record images to a video recorder and send them through a coaxial cable to a Digital Video Recorder (DVR).
An Internet Protocol Camera, commonly referred to as an IP camera, is a digital video camera much like a webcam, which transmits and receives data over a network or the internet.
HD stands for High Dynamic , in photography terms, Dynamic Range is the difference between the lightest and darkest elements of an image. HD is a process that helps increase
PTZ is an acronym for a 'pan tilt zoom' camera. They are cameras with a built-in mechanism that allows them to swivel left and right, tilt up and down, and zoom in and out
wireless cameras can work without the internet, but you won't be able to access all of their features. Of course, whether or not the camera will work without the internet depends on the type of camera.
