... , RS422, PTZ, Alarm, Network; 2 SATA HD, HDMI, VGA, USB Backup, USB Mouse ModelHD-3104HCompression FormatH.264Operating SystemEmbedded LINUX Operating SystemUser Interface4 ... -bit true color graphical menu, support for USB mouse operation, with menu notesPreview resolution1920x1080( NTSC ), 1920x1080 ( PAL );Real ...