USB to DISC: USB flash memory works as 1 USB to 7 discs copy function, but will not work as Disc to USB copy function (please purchase our Media Mirror Plus duplicator for that feature). DISC to DISCS: Copy up to 7 discs from a source disc to blank disc 5 BUTTON PANEL: Equipped with a single shortcut button 'USB Copy', allowing an instant copy session from USB to disc(s) MEDIA COMPATIBILITY: Copy from a type-A USB thumb drive or Disc to a blank disc (CD-R, DVD-R, DVD+R) DISC SPANNING: Automatically distribute files to multiple disc(s) when the source USB's capacity size is larger than the CD/DVD capacity size STANDALONE OPERATION: No software, computer, or host connection for increased security and without losing copy speed WARRANTY: 1 year manufacturer's part and labor warranty; lifetime technical support