It reduces the viewing angle to 60° (left and right). Outside of this limited viewing angle, only a black surface is visible. It is attached using adhesive strips. This gives you two options to share content with others if needed: either you simply remove the film, or you rotate your tablet to portrait mode. The film reduces distracting reflections, ensuring that the content remains clearly visible even in unfavorable, bright lighting conditions. A significant portion of the blue light harmful to the retina is filtered out for a more eye-friendly reading experience. Fingerprints are also noticeably reduced. Both the film and the adhesive strips are washable.