Digital Video recorder is a digital recorder. It saves the image received from camera in digital format into a mass storage device. Many cameras can be connected with DVR. It generally comes with 4,8,16 or 32 camera inputs. DVR allow you to see the entire Image at once or one at a time .It easy to install and connect. It record and store the video signal from CCTV for detection and documentation purpose. It basically connected and take signal from analog & Cox based camera At PDI you will find strong quality and technology advance DVR to satisfy you security and safety needs.