• Blocks 90% of harmful blue light emissions from the monitor screen. • Helps prevent eye strain, headaches, dry eyes, and blurred vision. • Technology developed by Swiss medical professionals to protect eyesight. • Easy to install, remove, and clean without the need for adhesives. • Universal size compatible with all 26 to 27 inch screens. • Actual filter dimensions: 635 mm width and 415 mm height. • Includes a webcam cover to protect privacy.