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Smart DVR and NVR Surveillance

A DVR security system is a kind of surveillance camera system with digitalsecurity cameras that records motion video digitally hence the word Digital Video Recorder came from. It is an economical surveillance solution but with a high-quality recording and allows monitoring from various location or computer.

A network video recorder (NVR) is a software program that records video in a digital format to a disk drive, USB flash drive, SD memory card or other mass storage device. An NVR contains no dedicated video capture hardware.