An NVR (Network Video Recorder) receives, records and manages video streams from IP cameras over a network. Depending on the design, it may provide live viewing, search, user permissions, retention controls, export and event integration. Recording duration is determined by camera count, resolution, frame rate, compression, storage capacity and retention policy; it is not fixed by the term NVR. The recorder and cameras also depend on network capacity, time synchronisation, power and secure credentials. Remote access is optional and should be configured with appropriate authentication and exposure controls. When selecting an NVR, organisations should review supported cameras, storage resilience, export format, audit logs, privacy requirements and recovery after hardware failure. Legal basis, signage and retention decisions remain organisational responsibilities.
IT glossary
NVR (Network Video Recorder)
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