21.6-inch Computer Screen Privacy Filter: 26-inch Width: 465mm, Height: 290mm, 16:10 aspect ratio, anti-glare, anti-reflective, UV and blue light reduction, protects the screen from scratches. Viewing Angle: The privacy filter makes the screen appear dark when viewed from an angle (approximately 30°-60°), but bright when viewed directly. To change the angle from 60° to 30°, simply adjust your screen's brightness. Effectively obscures confidential information when viewed from the side at 30° or more. This feature is only available on the left and right sides. 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 opt for the matte side to reduce external glare. Two Mounting Options: 1. Use the transparent adhesive strip to securely attach to any monitor. 2. Removable snap-on mount so you can install or remove as desired. Can be installed in approximately 30 seconds. 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: Approximately 16:10 (465 x 290 mm / 18.3 x 11.4 inches) Package Includes: 1 x Privacy Film 1 x Dust-Free Cloth 1 x Plastic Snap Buckle 1 x Double-Sided Adhesive 1 x User Manual Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!