We are a leading Manufacturer of cctv security surveillance system from Bhubaneswar, India.
Cctv Security Surveillance System
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A digital video recorder (DVR) is a device that converts the signals from an analog camera into a viewable digital format that can be stored on a hard drive. It's one of two local storage options for closed-circuit television (CCTV) security systems—the second being network video recorders (NVRs)