Ideal Fit: Blue light screen for monitor fits screens sizes of 26"-27". Actual filter size: Width: 24.1 inches (612mm), Height: 15.1 inches (384mm). Ideally compatible with HP, Samsung, Dell, ASUS, LG, Huawei, MSI, and other monitor and laptop brands Eye Comfort: Blue light screen protector reduces eye strain by filtering up to 61% of blue light and 99% of UV light. This blue light screen protector doesn?t have an Anti-Glare function Patent Pending: US and international patent rights reserved, Enjoy Improved Eye Protection function. Blue light blocking screen protector educing blue light from 420-460 nm and ensuring image clarity Lifetime Replacement Policy: Blue light filter extends screen longevity by shielding against scratches, dirt, and dust. Damaged screen - Free replacement Quick Setup: Computer screen protector mounts easily! Just peel the matte protective film from both sides and position it over the monitor top.