The camera is installed in a building now is Analog (as the older CCTV system) the sharpness of the picture has only one level is the highest level D1, which has very little resolution, image quality, even though we bought the camera with the maximum resolution of the image in the old system (very expensive). It does not allow for better quality when compared to a new system camera HDCVI (High Definition Composite Video Interface), which allows the contrast (High Definition) HD.
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