http://www.securitycamerasdirect.com/browse/categories/digital-video-recorders/ - A closed circuit television, or CCTV system, uses video cameras to record video at your home or office. You can use the CCTV without recording, but it requires you sitting in front of the monitors 24/7. However, you can use a digital video recorder to record the video you see on the CCTV monitor. Choosing the best CCTV DVR depends on your budget and features. Start your search by comparing what your CCTV DVR needs to other security camera DVR options.