... CCTV 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 ... 5608VOperating system Embedded LINUX operating system User Interface 16-bit true color graphical menu, support mouse operation compression H.264 Video ... Setting PAL 13*10(130), NTSC 13*8(104)Network port.1* RJ45, 1*RS232, 1*RS485HDD2*SATAUSB port2 ...