Feature: 1. COMPATIBLE WITH: This blue light filter fits Wide: 20 7/16 inches (532 mm) and Height: 11 3/4 inches (299 mm), widescreen displays with a screen size of 24 inches and an aspect ratio of 16:9, Compatible for HP, for Dell, for Acer, for Asus, for ViewSonic and other brands of displays with no protruding bezel. 2. ANTI BLUE LIGHT AND GLARE: Our computer screen blue light blocker filters out up to 90% of blue light in the 380‑460nm range and up to 99% of UV rays, helping to reduce eye fatigue and related discomfort. Helps protect your eyes from eye diseases. Suitable for insomniacs, students, office workers, game enthusiasts, pregnant women, the elderly and most other people. 3. PRIVATE PROTECTION: After installing the display screen private film, the screen content can only be clearly seen in front of the display. When the left or right angle exceeds 30°, the screen will become dark, so there is no need to worry about the content on the screen being peeped by the people around you. The screen will be slightly darker when using this protective film, just turn up the brightness of the display. 4. EASY TO INSTALL: This 24 inch computer screen blue light blocker comes with a 16:9 aspect ratio "frameless" display. No plastic tabs or tape are needed to hold the display in place, allowing you to install the product quickly and seamlessly No air bubbles or any sticky residue from other installation methods, giving you a great buying experience. (Blistering may occur with improper installation) 5. APPLICABLE PLACES: Private display screen protector is perfect for offices, home work and public places. Better protect your individual or business information from prying eyes, providing a safer and more efficient office environment. Specification: Item Type: Computer Private Screen Filter Product Material: PET Product Size: 24 Inch Aspect Ratio: 16:9 (532x299mm / 20.9x11.8in) Installation: Electrostatic Adsorption Parameters: 1. Private protection, anti glare, anti reflection, UV and blue light reduction, protect the display from scratches. 2.Effective private covering when viewed from the side at 30 degrees or more. This feature is only available on the left and right side. 3. Dual sided available, frosted surface anti glare coating design, glossy surface image is clearer, always meet your needs. 4. Ideal for use in open workspaces, airports, airplanes, coffee shops and other public places.. Package List: 1 x Computer Private Screen Filter 1 x Scraping Plate1 x Cleaning Kit Note: Not suitable for displays with protruding frames!