The STARTECH 1754-PRIVACY-SCREEN is a 17-inch, 5:4 computer monitor privacy filter that reduces the viewing angle to 60 degrees (+/- 30). It also blocks up to 51% of blue light to minimize eye strain. This reversible filter, measuring 13.3 x 10.6 inches, features an anti-glare matte side and a high-gloss side, along with a coating that guards against scratches and fingerprints.