This Kensington privacy screen is an easy way to reduce chances of visual hacking and helps keep your organization's information safe. The screen narrows the field of vision on the screen to 30 degrees, helping you keep the information on your screen private, and reducing the chances of a visual data breach, which is important in the office or in a public setting. Filters out harmful rays by up to 30%, easing eyestrain and reducing the chances of blue light interrupting your natural sleep patterns.