1、HANGING INNOVATIVE TECHNOLOGY: The computer screen filter has a hanging design that avoids complicated installation steps. No tape is required for installation and you can easily remove it at any time without worrying about leaving adhesive marks on your computer display. 2、COMPUTER FILTER SIZE: For widescreen displays up to 32 inches with 16:9 aspect ratio. Actual filter size 28.7inch (730mm) in width, 17.3inch (440 mm) in height, and 32inch (812.8 mm) in diagonal. Please verify the width and height sizes of your computer screen before ordering. It is not recommended to select based on the diagonal sizes of your computer screen only. 3、ENHANCED SECURITY: With the anti blue lighting computer screen filter in place, the front of the screen is clearly visible with a 60 degree viewing area. When viewed from both sides of the computer (30 degree to 60 degree angle), it will appear dark and you cannot see the contents of the screen. Reduces the danger of secret being spied on, stolen or maliciously accessing your important information! 4、EYE GUARD FILM: The computer screen filter is made of a unique upgraded PET material that filters out 98 percent of harmful blue lighting (400nm‑480nm) and 95 percent of UV rays, protecting your screen while maximizing your eye guard. 5、PERFECT FOR OPEN WORK AREAS: The computer screen filter is perfect for public and high traffic areas. Computer screen protector are designed to be compatible for most of computer brands.