Beginners Guide to Security DVRs and How to Install Them
Posted by Mike Ward on 5/17/2013 to
Surveillance Equipment
A Security Digital Video Recorder (Security DVR) system records high resolution digital images to a hard disk drive (HDD), the same type of hard drive used in PCs. Most security DVRs use a Linux operating system that is stored on internal flash memory and are quite robust and reliable. Since the video images are stored digitally, the image quality will not degrade overtime, as would a VHS tape when recorded over multiple times.