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DVR brief introduction
Oct 26, 2017

DVR, called Digital Video Recorder, is a digital video recorder that is often referred to as a DVR, also known as a DVR, with a hard video recording, compared to a conventional analog video recorder. It is a set of computer systems for image calculation and storage processing. It has the functions of long time recording, recording, remote monitoring and control for image / voice and dynamic frame. DVR combines video recorder, screen splitter, PTZ lens control, Alarm control, network transmission and other five functions in one, with a device can  replace the analog monitoring system a lot of equipment, but also in  the price also gradually take advantage and popularity

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