Vinpower Digital Econ-S3T-DVD-BK Econ Series 1 to 3 Target 24 x DVD CD Disc Duplicator Tower SATA Optical Drives - Black Complete Standalone Operation: No PC required to operate the duplicator. Support DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R Double Layer, DVD-R Dual Layer, Mini DVD-R, CD-DA, Video CD, Photo CD (Single & Multi-session), CD-TEXT, CD-Extra, CD-R, CD-RW, Business Card CD-R, 3" Mini CD-R The duplicator will not copy any encrypted or copy protected discs. Auto-Counter Technology: Displays the total number of discs successfully copied compared to desired output for each project. Account management (password protection) function will authorize only specific user(s) to operate the duplicator with their preferred settings. Able to assign numerous passwords for multiple users. Creates mix compilation audio CD: Able to compile multiple tracks onto a single disc from multiple sources. Future functions upgradeable through firmware: Duplicator able to upgrade future software updates via Firmware. Automatic format recognition: Duplicator recognizes automatically if the discs are CD or DVD as well as the correct format to copy.