DVR records video to a disk either in a PC or to its own built-in hard disk. Can record for a long periods of time. DVRs come with remote access where you can watch the video via internet.Also features motion detection recording & multiple camera recording.
Unlike a conventional VCR that lowers picture quality if recorded at extended recording mode, a time lapse VCRs can record up to 960 hours on a single tape with out sacrificing quality of the video. You will need a quad processor or a multiplexer to record multiple cameras.
You can connect any of our cameras to a VCR. But can not detect motion, handle multiple cameras or watch camera via internet. You can use a quad processor to record multiple cameras.