Compatible with 14 inch with Aspect Ratio 16:9 laptop -DIAGONALLY MEASURED 14”(Measured Viewable Display Area Diagonally, Corner to Corner Without the Frame), filter size(W x H): 12.2 inches (31 cm) x 6.9 inches (17.5 cm).Note:Does NOT compatible with macbook pro 14'' 2021!14 inch is diagonal length!Newest blue light filtering technology with 7-layer layered design, Enhancing anti-blue light performance, UV400 protection, Radiation Protection, Anti-static, relieve the fatigue of eyes and help you sleep better.Not only prevent blue light and protect your eyes, The anti glare screen protector double protection makes you more at ease when using your computer completely gets rid of glare.No more headache!Perfect for short-sighted person, school student, office worker, social media addict, online gamer, fashion lover.This 14 inch anti blue light screen protector is designed to be adhered on the screen only but adhesive free on the screen frame. Easy to install and remove.Leave no residue when removed and can be repeated paste and use.Also works great on touchscreen with no problem.Advanced bubble adsorption design can remove all small bubbles by slightly press with installation.The frosted nature also protect your computer from daily scratches. Product Description 1 High Definition 2 Anti-Scratch 3 Smudge Resistant Will there be a lot of bubbles during installation？ I had no bubbles. Everything you need comes with it. Just follow the easy instructions. help for people with vision problems? it helps me a lot since I have vision problems,now I spend a lot of time on the computer. How does this blue light filter work for people who get headaches from using computers for long periods of time? Purchased for my college students and they are pleased with this product. will my tactile screen still be fonctionel after installing that product? I have a touchscreen and it works great with no problem. Is it easy to install? It's super easy to install. Much easier than a phone or tablet cover Track Page Views WithAuctiva's Counter