This 2 target Duplicator is a professional Sata DVD CD duplicator offering optical disc burning technology. It Compatible for anyone involved in disc duplication, the user-friendly LCD interface provides a simple one-step copy function that burns your DVD blank discs. Burning speeds are adjustable and other standard menu features are available for advanced users. A computer is not required at all for this standalone duplication unit. All inside this copy tower itself, different CD and DVD formats are automatically detected to allow stable and secure buffer under run protected burning without the added trouble or stress from a computer to handle such functions. Standalone DVD/CD SATA duplication: NO software or computer required. BestDuplicator controllers use a high quality chip that has less fail rates in comparison to its competitors. Also it GENUINELY has 128MB buffer compared to other competition who lie about such facts. This unit is fully assembled in our Distribution Center Nationwide in 6 different Areas within the USA. USA Technical Support, Tech Support in Multiple languages.