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dvr security system with difference camera

Author: Source: Datetime: 2016-05-05 20:55:05

Do you want to know what is the difference of dvr and nvr?

DVR is digital video recorder, supporting analog videoinput. CCTV DVR support compress, record, playback, internet access for the video signal. The highest resolution has reach to 1080P(1280*1024)


NVR is network video recorder, NVR works with IP cameras, with function of recording compressed digital video signal, and local realtime playback and video streaming. The resolution can support from QCIF to 1.3MP, 2MP, 3MP, 5MPetc IP CAMERA.


Traditional DVR belongs to analog front-end, security camera connects to DVR through coax cable with limitation of transmission distance, also easy to lose signal or effected by the interference, therefore it is not ideal solution for remotely surveillance. Nonetheless, NVR as IP network system, IP cameras connect to NVR can be using any IP address through Ethernet cable.

Now with the technical updating and development, the dvr is also support IP camera, HD camera with high definition and good, stable function.

We sale is all ahd dvr which is good signal and not effect by interference. More details please see our product page.

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