what is cctv camera
Closed Circuit television CCTV records images of people in certain public places including town centres roads airports and on public transport CCTV images can be used as evidence in court you can request CCTV recordings of yourself.
what is NVR in CCTV camera
A network video recorder NVR is a digital device which sits on your IP CCTV network to recieve live image video streams and record them digitally to a hard disk.

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