Specifications Summary: Screensize: 15.6 in, This laptop privacy screen is designed to fit 15.6" 16:9 aspect ratio displays. It features an anti-glare design that provides visual comfort and reduces the adverse effects of blue light emitted from the display. The privacy filter prevents visual eavesdropping by darkening the screen from the side while maintaining a clear viewing angle of 60 degrees (+/- 30 degrees from the center) for the user. The screen protector is reversible, with a matte anti-glare side for glare-prone environments and a high-gloss side for vibrant colors. It has a light transmittance of 57.5% for optimal brightness and privacy. Installation is hassle-free with residue-free adhesive strips or side mounting tabs, and the privacy screen can be easily removed for sharing content or switching between matte and glossy finishes. Additionally, the privacy shield reduces blue light by up to 51% in the 380 - 480nm wavelength range, helping alleviate eye strain and improve visual comfort.