Prevent visual eavesdropping by limiting the viewing angle of your screen. This Laptop Privacy Screen is designed to work with laptops with 13.5-inch displays and 3:2 aspect ratio. Prevent visual eavesdroppingThis privacy filter is a convenient and cost-effective solution to protect confidential data from unwanted viewers. The privacy shield darkens your computer's screen from the side while providing a clear viewing angle of 60 degrees (+/- 30 degrees from center) to the user. Flip-Over and TouchThe feature enables you to quickly flip-over the privacy filter to share contents without uninstalling the filter. Your computer touch responsiveness is preserved by the ultrathin yet robust security shield, enabling seamless use. The privacy shield has a light transmittance of 60% providing optimal screen brightness and enhanced levels of privacy. Hassle-free InstallationInstall the privacy screen protector using the included adhesive strips or flip-over tabs. This unit is designed for use with bezel-less or slim bezel displays. Blue Light ReductionReduce eye strain and improve visual comfort by reducing blue light exposure. The 13.5-inch laptop screen filter blocks up to 51% of the blue light emitted from the display. Digital eye strain can lead to symptoms like headaches, dry eyes, and blurred vision. The StarTech. com Advantage