Warranty: 1 Year Features: 60-degree viewing angles: Restricts visibility of the screen content to only those directly in front of it, reducing side-angle viewing. Anti-glare, anti-reflective surface: Minimizes glare and reflections, improving visibility and reducing eye strain. Reduce blue light: Filters out blue light emissions from the screen, which can reduce eye fatigue and potentially improve sleep quality. Natural color preservation: Ensures that the filter does not distort the natural colors of the display. Technical Specifications: Anti-glare: Yes Aspect Ratio: 3:2 Device Type : Surafce Laptop Display Diagonal : 13.5 inch Filter Dimensions : (width x height) 12.05 in x 8.46 in Filter Dimensions : Metric (width x height) 306 mm x 215 mm Orientation: Landscape Reversible : No Touch Compatibility : Yes Warranty Period Limited 1-year warranty