Enhanced Privacy -- Computer privacy screen filter is perfect for public and high traffic areas. Blackout Privacy Screen Filter is engineered to be ideally compatible with HP, Samsung, Dell, Lenovo, Acer, Asus, LG, ViewSonic, and other monitor brands. Please confirm the width and height measurements for your computer screen before ordering. We advise against making a selection based solely on a computer screens diagonal size. Dark Screen For Others -- Clear view for you. The computer privacy filter makes the screen appear dark when looking at it from an angle (the angle is about 30- 60), but bright when looking directly at it. To change the privacy angle from 60 to 30 degrees - simply adjust your monitors brightness level. Doubles As Screen & Eye Protector -- Protects your eyes by filtering out 96% UV and curbing blue light by 65%. Its a reversible privacy screen filter, giving you the flexibility to choose glossy or matte finish Choose the matte to reduce external glare. The filter is Anti-Glare and Scratch Resistant! International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.