The Kensington FP170 Monitor Privacy Screen limits the viewing angle to +/ - 30°, effectively hiding personal or confidential information from prying eyes. It also reduces harmful blue light by up to 30%, protecting your eyes during extended use. This privacy filter is easy to attach using the included plastic tabs, making it compatible with standard flat panel (TFT) or LCD monitors. The anti - reflective coating minimizes glare and enhances clarity, while the reversible design offers both matte and glossy viewing options. Additionally, it is scratch - resistant, ensuring durability and longevity.