Specially designed digital video recorders (DVR's) have rapidly replaced the combination of time-lapse VCR's and multiplexers for recording video from multiple security cameras. Security DVR's are differentiated by their number of camera inputs (channels), video recording rate (measured in frames-per-second) and total storage capacity. Other features that distinguish security DVR's are their remote access capabilities, motion detection features, and video search tools.
Digital Video Recorder with DVD burner and five 500GB Hard Disk Drive's, 2500GB total capacity, Records all 16 cameras at 30 ips, MPEG-4: Various Recording Mode: Manual, Timer, Event (Pre/Post), Various Display Modes: 4/6/9/16 split screen display, Quad, Sixteen alarm inputs and four alarm outputs
Use this calculator to estimate total disk space needed for your security cameras.
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