For accurate and reliable access to your computer screen, the Power Braille computer display units instantly translate screen data into 6-dot or 8-dot refreshable Braille for those using many popular software screen readers, such as JAWS for Windows. Instant cursor routing and ergonomic controls highlight the economy and performance of Power Braille. These slim, portable units come in 40- and 80-cell models to accommodate the particular needs of students, writers and professionals worldwide.