EZ-Dupe 3-Bay DISK-LOK DVD/CD Duplicator with Target Disk Copy Protection (Black) Burn approximately 14 DVDs (4.7GB) at 8X per hour! Supports DVD+R/RW, DVD-R/RW and DL DVD blank media formats Automatically performs a self-diagnostics test upon boot up Duplicator will automatically recognize format of source discs No cool down period between runs