MediaStor.US 1-1, 1 to 1 Target MultiMedia All in One USB CF SD MS MMC Flash Memory to DVD BackUp Duplicator Brand New, Color of Black, Total 2 DVD burners, Its main purpose is for you to backup your digital flash media to DVD or CD disc. It's 1-1 target DVD/CD duplicator. The flash memory card backup function supports up to DVD or CD disc backup simultaneously . It supports upto 24x DVD and 48x CD burning speed. It supports disc spanning function for you to backup large volume of image data from flash media into 2 or more discs in order. This device can copy your USB/CF/SD/MS/MMC media contents to DVD/CD Disc for backup or file filing purpose . It's also an 1-1 DVD/CD Duplicator.