Prevent visual eavesdropping by limiting the viewing angles of your screen. This laptop privacy screen features a universal design, compatible with 13.3" laptops with a 16:9 aspect ratio. Prevent visual eavesdroppingThis privacy filter is a convenient and cost-effective solution to protect your confidential data from unwanted viewers. The privacy shield darkens your laptop screen from the sides while providing a clear viewing angle of +/-30 degrees, offering a total visible area of 60 degrees. Reversible FilterThe privacy screen protector is reversible, with an anti-glare matte side for environments prone to glare and a high-gloss side that helps retain color vibrancy. The matte side provides additional screen protection with a fingerprint-resistant coating. Hassle-free InstallationThe universal design won't interfere with top-mounted webcams, sensors, or when closing the lid. The privacy screen can be installed in two different ways. Affix the privacy screen shield to bezel-less displays using the transparent and residue-free adhesive strips. Alternatively, use the slide mount tabs to install the privacy screen on displays with bezels. The latter is recommended when frequent reversal or removal is required. Blue Light ReductionReduce eye strain and improve visual comfort with this blue light reducing privacy shield. It blocks 40% - 51% of the blue light emitted from the display in the 380nm - 480nm wavelength range. Digital eye strain can lead to symptoms like headaches, dry eyes, and blurred vision. This TAA-compliant laptop privacy filter is backed for two years, including free lifetime 24/5 multi-lingual technical assistance. The StarTech. com Advantage