Protect the sensitive information displayed on your monitor while also protecting your vision and the screen itself from scratches and fingerprints with a Privacy Screen for a Widescreen Monitor. They're great when you want to block wandering eyes that might be able to see what's on your desktop monitor. The thin privacy screen limits the field of vision to +/- 30 degrees and attaches with tab holders you place around the edge of your screen. The privacy screen also reduces harmful blue light by up to 30 percent. Kensington FP200 Privacy Screen for 50cm Widescreen Monitors:Limits viewing angle +/- 30 degrees, which is convenient to hide personal or confidential information at your desktopProtects the screen from scratches and damageFrameless tab holders let you easily insert and remove from your monitor screenReduces harmful blue light by up to 30 percent16:9 aspect ratio for a great fitScreen cleaning cloth included