... +DVR+AR+USB2.0+3.5"HDD+CARD+MPG4+AV PLAYER+External IR a). With 3.5" HDD, support 1-5 ... only(128GB totally); b). Support CF, SD, MMC, MS popular Flash card; c). Support VCD, SVCD, DVD, MPEG4, MP3, WMA, JPEG ... portable hard disk device, and can copy the files from Flash card to HDD directly;e). Support AV/VGA video output ...