In the early days, video from multiple security cameras were recorded using time-lapse VCRs and multiplexers. Due to recent advancements in recording technology, digital video recorders (DVRs) have started replacing many VCRs and multiplexers. DVR security camera systems record video on a hard drive-based medium, eliminating the need for a videotape. These sophisticated systems have the ability to manage multiple cameras as well as record and playback video locally or through the Internet.

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