HD-SDI DVR

SDI and HD-SDI Cameras and DVRs are getting popular in a fast pace these days as they are replacing traditional analogue cameras and DVRs by providing better image quality usually at 2 Mega Pixels and avoiding complicated network settings that you have to go through when install IP cameras. They also provide internal day and night modes, wide dynamic range (WDR), 3d-noise reduction, and real-time images.