PROTECT SENSITIVE DATA: TAA-compliant magnetic privacy screen features Microlouver technology that obscures your 21.5in 16:9 display when viewed from the sides, preventing visual eavesdropping; 60 degree viewing angle (+/- 30 degrees from the center) MAGNETIC QUICK-INSTALL DESIGN: Ultra-slim 5mm wide magnetic strips enable fast install/uninstall while taking up minimal bezel space, even on thin monitors; Included plastic tabs keep the filter flush and prevent edge curl after repeated use COMFORTABLE, HIGH-QUALITY VIEWING: Independently tested by 3rd party lab to block 47% of blue light in the 380-450 nm range; 62% light transmittance for improved screen clarity; Reversible matte or glossy finish for optimal viewing in any lighting PROFESSIONAL-GRADE SCREEN PROTECTION: Durable film resists scratches, fingerprints, and dust; Ideal for offices, service desks, hoteling stations, and shared workspaces; For bezel-less or all-glass monitors only, does not work with raised bezel displays THE IT PRO'S CHOICE: Our high-quality privacy screens are trusted across industries and designed to fit nearly every device type, screen size, aspect ratio, and mounting style; Backed by free lifetime 24/5 multi-lingual technical assistance