The VP Delta 2 is a double-sided embosser that gives you Library of Congress standard braille with the highest-resolution graphics. The VP Delta 2 Embosses at 120 CPS. With 8 different dot heights, users can create distinct tactile graphics . Even if images have intersecting lines, like graphs, readers can easily distinguish lines and grids, which can be embossed to different heights. Includes Tiger Box. Tiger box allows for users to upload and print files from the USB flash drive file repository.