... Output:BNC*1 8CH CCTV DVR, D1( 720x576), 200/240fps, DVR, 8CH DVR Standalone, CCTV DVR 8CH Video, 8CH Audio, 4CH Alarm ... DVR, 8CH DVR, 8CH Standalone DVR, 8CH CCTV DVR, D1( 720x576), 200/240fps, 8CH Video, 8CH Audio, 4CH Alarm, 3G DVR, Stand alone DVR, DVR ... LINUX operating system User Interface 16-bit true color graphical menu, support mouse operation compression H.264 Video Resolution PAL/NTSC, ...