... transmission.2.Multiple function: Live, Recording, Playback, Backup & Remote access.3.Support VGA and CVBS(TV) simultaneous output.4 ... upgrade with USB flash disk.5.Support USB mouse and infrared remote controller operation6.1,4 channel simultaneous realtime playback7.Audio ... operation.9.Support VGA and CVBS(TV) simultaneous output10.Support remote IE, Netview, CMS, OSD live preview, settings, backup ...