Feature:1. COMPATIBILITY: Computer screen filter fits frameless displays, fits screen sizes up to 23 in wide by 20 1/16 in (510 mm) and 11 5/16 in (286 mm) high, widescreen display with 16:9 aspect ratio, compatible with for HP, for Dell, for Acer, for Asus, for ViewSonic and other brands of displays without a protruding bezel.2. ANTI BLUE LIGHT: The computer screen blue light blocker filters out up to 90% of blue light in the 380 to 460nm range and up to 99% of UV rays, helping to reduce eye fatigue and related discomfort. Helps defend your eyes from eye diseases. Suitable for insomniacs, students, office workers, game enthusiasts, pregnant women, the elderly and most other people.3. ANGLE RESTRICTION: Private screen is designed with blinds technology that blocks visibility up to about 30 degrees and completely shielding the screen at close to 60 degrees. It defend the confidentiality of your electronic information and is ideal for use in high traffic areas.4. EASY INSTALLATION: The 23in PC screen protector eliminates the need for plastic tabs or tape to hold the display in place, allowing you to easily and quickly install the product seamlessly without air bubbles or any stick residue left behind by other installation methods.5. WIDE RANGE OF APPLICATIONS: The Desktop screen protector is the ideal solution for healthcare providers, mobile workers, students and business travelers. Now you can stay compliant and defend sensitive company information while working on airplanes, subways, airports and in public areas.Specification:Item Type: 23in Computer Screen FilterMaterial: PETProduct Size: 23inchAspect Ratio: (16:9) (Approx. 509 x 286mm / 20.04 x 11.26in)Installation: Electrostatic Adsorption1. private defend, anti dazzing, anti reflection, UV and blue light reduction, defend the screen from scratches2.Effective private masking when viewed from the side at 30 degrees or more. This feature is only available on the left and right side.3. The anti peep film is available on both sides, frosted surfaces anti dazzing coating design, glossy surfaces image is clearer, always meet your needs4.Ideal for use in open workspaces, airports, airplanes, coffee shops and other public places .Package List:1 x 23in Computer Screen Filter1 x Scraper1 x Clean KitNote:1.Not suitable for displays with protruding frames2.Improper installation may cause blistering