Kensington Privacy Screen 27 Inch 16:9 RatioDescriptionSpecificationsShipping Narrows the field of vision on the monitor to + 30 degrees, helping you keep the information on your screen private and reducing the chances of a visual data breach Filters out the harmful rays by up to 30%, easing eye strain and reducing the chances of blue light interrupting your natural sleep patterns The privacy screen can be mounted either with the included frameless tab holders that attach to the edges of your