Braille Star 80, by Pulse Data, is an ergonomically optimized Braille system for the professional workspace with 80 piezo-electric Braille cells. A PC keyboard can be placed directly on top of the Braille Star 80. In addition to a 16-key numeric block, the Braille Star 80 is also equipped with 8 function keys. These all are ergonomically positioned for Braille entry. Specifications include 80 concavely shaped Braille cells, 80 Cursor-routing keys, 2 switchable external keyboard-inputs, USB and serial ports, 4 MB text memory, 2 extended up/down keys, 2 triple action keys and 8 function keys. Dimensions are (width x depth x height) 23 x 9.65 x 0.94 inches and weight is 6.18 lbs. One year limited warranty.