This Laptop Privacy Screen is designed to work with laptops with 13.3-inch displays and 16:10 aspect ratio. This 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. The feature enables you to quickly flip-up 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. Install the privacy screen protector using the included adhesive strips or flip-up tabs. This unit is designed for use displays that have raised bezels. Reduce eye strain and improve visual comfort by reducing blue light exposure. The 13.3-inch laptop screen filter blocks up to 51% of the blue light emitted from the display.