Dvd/cd Light Scribe Duplicator Built-in 24x Burner 1 to 3 Target Disc Duplication Tower + USB Connection Stand alone disc burning and Lightscribe Labeling Supports CD-R, CD-RW, DVD+/-R, DVD+/-RW, and DVD+/-R DL USB Connection: allow connect one drive to a computer use as an external burner Burning Time: 3-4 minutes for CD, 6-8 minutes for DVD Warranty: 3 year labor & 1 year parts, free life-time technical support