Aleratec 280111 DVD/CD RoboRacer LS Duplex Autoloading Duplicator Disc Capacity - Up to 100 Discs Drives - 2 Aleratec designed 20x DVDRW Writing Speed - DVD 20x / CD 48x Disc Labeling - Direct to Disc LightScribe Media Comkpatibility - 12cm - DVD-R, DVD-R DL, DVD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-RAM, DVD-ROM, CD-R, CD-RW, CD-ROM