Welcome to our store! 1、21.6 inch Computer Screen Filter: 26 inches wide: 465mm, height: 290mm, 16:10 aspect ratio, anti-glare, anti-reflective, UV and blue light reduction, protects the screen from scratches. 2、Angle: The computer screen filter makes the screen appear dark when viewed from a certain angle (angle of about 30°–60°), but bright when viewed directly. To change the angle from 60° to 30°, simply adjust the screen brightness. Effectively obscures secrets when viewed from the side at 30° or more. This feature is only available on the left and right sides. 3、Eye Protection: Protects your eyes by filtering 96% of UV rays and reducing 65% of blue light. This is a reversible privacy screen filter, available on both sides, giving you the flexibility to choose a glossy or matte side and choose a matte side to reduce external glare. 4、Two Mounting Options: 1. Use the transparent adhesive strip to securely attach to any monitor. 2. Removable snap attachment so you can install or remove as you like. Can be installed in about 30 seconds. 5、Wide Application: Ideal for maintaining screen privacy in areas such as open workspaces, airports, airplanes, trains, cafes, office environments, financial institutions, and other public places. Item Type: 21.6 inch Computer Screen Filter Product Material: PET Product Size: 21.6 inches Aspect Ratio: About 16:10 (465 x 290 mm / 18.3 x 11.4 inches) 1 x Protective Film 1 x Dust-Free Cloth 1 x Plastic Tower Buckle 1 x Double-Sided Adhesive 1 x User Manual Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.