PROTECT SENSITIVE DATA: This laptop security filter provides effective privacy from outside a 30° viewing angle to ensure data on your laptop screen is kept confidential in the office or traveling EASY APPLICATION: Add a durable screen protector to your laptop display to protect from scratches, fingerprints, & dust that is easily removable w/ magnetic strips that won't leave a permanent residue BLUE LIGHT REDUCTION: In addition to protecting your data, this laptop privacy screen minimizes digital eye strain by reducing blue light by 30% to 40% when working for extended periods of time FULLY COMPATIBLE: Universal fit and won't interfere with top-mounted webcams on 15.6" 16:9 notebooks like Dell Precision M3800, Acer Aspire 5733, and HP EliteBook 840 G5 among other top brands REDUCE GLARE OR INCREASE CLARITY: Reversible computer privacy filter retains sharp and consistent image quality in any lighting with an anti-glare matte-finish and a high-clarity glossy-finish