Compatible Models: This screen protector fits screen sizes of 28" diagonally measured, widescreen-aspect ratio 16:9; Width: 24.43" (620 mm), Height: 13.5" (343 mm), Diagonal: 28". Contact us if you have any confusions Anti-Blue Light: The Blue Light Screen Protector can reduce eye strain and associated discomfort by reducing your exposure to UV and blue light. Our blue light blocking screen protector filters out up to 70% of blue light and up to 96% of UV light to help minimize eye fatigue Protect Your Eyes & Sleep: Anti-reflective coating blocks screen glare for optimal clarity and viewing comfort, reduces eye strain. Blue light makes your body forget when it’s bedtime and blocks melatonin, this blue light blocking screen protector block harmful blue light, give your eyes and your body a well-deserved rest Two Installation Methods: The blue light blocking screen protector can be installed in a few minutes. ①Permanent installation: Non-removable adhesive strips. ② Removable Mount: Slide the mounting tabs for computers with raised frames Protects Your Computer Screen: Extend computer longevity by protecting your screen from scratches and dirt. Acting as an outer layer on your computer, our computer screen protector keeps it free of dust