StarTech.com Monitor Privacy Screen for 21.5 inch PC Display – Computer Screen Security Filter – Blue Light Reducing Screen Protector Film – 16:9 Widescreen – Matte/Glossy – +/-30 Degree – TAA

• PROTECT SENSITIVE DATA: This monitor security filter provides privacy outside +/-30° viewing angle from the center of your 16:9 21.5″ widescreen display, keeping your desktop screen data confidential
• EASY APPLICATION: Attach privacy filter directly to the monitor using residue-free adhesive strips, or slide the filter over your display with included side mounting tabs – Extra adhesive strips and mounting tabs (MON-PRIVACY-SCREEN-K) sold separately
• BLUE LIGHT REDUCTION: In addition to protecting your data, this PC monitor privacy screen minimizes digital eye strain when working for extended periods of time by reducing blue light by 40% to 51%
• DURABLE & VERSATILE: Flexible dual mounting options fit various monitor bezels to add a durable protective film to the monitor that protects against scratches, fingerprints, & dust
• REDUCE GLARE OR INCREASE CLARITY: Reversible computer monitor privacy filter retains sharp and consistent image quality in any lighting with an anti-glare matte-finish or a high-clarity glossy-finish