Copystars CD-DVD Duplicator lightscribe Sata 24 DVD lightscribe burners drives 1 to 3 128mb buffer Made by Copystars USA professional facility ,unlimited toll free support direct warranty Stand-alone (No PC Required), No Software is needed Support various format: CD,DVD,Dual layer, Support DVD-R,DVD+r,Mini DVD, Data CD, audio CD,VCD, DVDRW,Dual Layer DVD,CDR. CDRW. 3 years labor warranty. 1 year for parts unlimited toll free support