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Digital Video Recorder (DVR) is one of the most important pieces to your surveillance system. Whether you have one, four or sixteen cameras you have to take what those cameras see and store that video for reference or possible evidence. DVRs record video to a computer hard drive or other media . Most DVRs can be operated and monitored remotely using the Internet. While the surveillance video data is stored on the DVR it can be protected from loss caused by operating errors, tampering and accidents.
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