The daisy chain duplicator offers optical disc burning technology suitable for anyone involved in disc duplication. The user-friendly LCD interface provides a simple one-step copy function that burns your CD and DVD blank discs at an optimal speed producing a maximum of 250 copies every burn cycle. 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 system. All inside the 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. Ensuring a fast, cost effective solution for duplication runs whether burning is performed at home, office, or studio, benefit from high volume disc output and reliable performance from the .Specifications. 20X DVD burning speed. 750GB removable HDD. 1 to 250 disc capacityFeatures. Automatic format detection. Buffer under run protection. User-friendly LCD interface