This anti-blue light filter is designed to work with computer monitors with a 24-inch 16:9 display. This blue light reduction shield reduces eye strain and improves visual comfort by reducing high energy blue light emitted from the display within the 390-440nm spectrum. This blue light screen filter adds a durable protective film to your monitor which helps shield your screen from wear and tear including scratches, fingerprints, and dust. Install the screen protector/shield using the included adhesive strips or side mounting tabs. This bluelight filter is TAA compliant and backed for two years, including free lifetime 24/5 multi-lingual technical assistance.