A digital video recorder (DVR) is a consumer electronics device that records video in a digital format and stores it on a disk drive, flash drive, memory card, or other mass storage device rather than using tapes like a VCR. It can record from multiple surveillance cameras simultaneously and allows videos to be easily transmitted over a computer network. DVR provides better usability than analog VHS systems and allows the frame rate of recorded video to be adjusted to save disk space.

1. (Digital Video Recorder) DVR

2. A digital video recorder (DVR), sometimes referred to by the merchandising term
personal video recorder (PVR), is a consumer electronics device or application software
that records video in a digital format to a disk drive, USB flash drive, SD memory card,
SSD or other local or networked mass storage device.
Digital Video Recorder

4. • DVR stands for Digital Video Recorder.
• DVR is an advanced version of a VCR, however instead of using a tape, it records and
plays back videos digitally.
• To store recorded videos it has an inbuilt hard drive just like your computer.
• DVR is a security system device which can record videos from up to 16 surveillance
cameras on its hard disk.
• The frame rate can be switched from real time to time lapse in order to save disk
space.
• Digital Video Recorders hold better usability than earlier analog VHS tape systems as
the videos can be easily transmitted over a computer network.
What is DVR ?

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