The Dahua's analog HD Dome camera HAC-HDBW2802R has a built-in fixed lens of 3.6mm and provides superior 8MP video. The camera supports multiple video formats including HDCVI, CVBS, and other two common HD analog formats in the market. A DIP switch located on the cable allows you to quickly toggle formats, further simplifying installation and debugging. This feature makes the camera compatible with not only XVRs, but also most existing HD/SD DVRs.