CCTV DVR, device that records the video from 1 CCTV security camera up to 16 CCTV security cameras on a hard disk. Hard disk varies in capacity from 160 GB up to 1000 GB. The frame rate can be switched from real time to time lapse in order to save disk space.
Digital Video recorders are more flexible than earlier analog VHS tape systems, and the video can be easily transmitted over a computer network. Advanced CCTV DVRs can now eaisly be connected to the internet enabled network and can be viewed remotley. Moreover, CCTV DVR are equipped with the USB ports in order to make backups.
http://www.ukcctv.co.uk/dvr/CCTV-DVR-Digital-Recorders-(DVR).HTML
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