Product Description: 21.5 Inch Computer Screen Protector with Blue Light Blocking and UV Filtering Enhance your computing experience with our 21.5 Inch Computer Screen Protector, designed to provide superior eye protection and privacy. This innovative screen filter is perfect for anyone who spends long hours in front of a computer, whether for work, study, or gaming. Here’s why this screen protector is a must-have: Optimal Viewing Angle Our screen protector features a 60° viewing area, ensuring that the front of your screen remains clearly visible to you. However, when viewed from angles of 30° to 60°, the screen content becomes dark and unreadable. This feature effectively prevents prying eyes from seeing your screen, making it ideal for use in public spaces such as airplanes, subways, and offices. Advanced Blue Light and UV Protection Protect your eyes from harmful blue light with our advanced filtering technology. This screen protector blocks blue light wavelengths between 380-420nm, reducing the risk of eye strain, headaches, and sleep disturbances caused by prolonged exposure. Additionally, it filters out 99% of harmful UV rays, providing comprehensive protection for your eyes and skin. High Light Transparency Made from high transmittance acrylic, this screen protector is compatible with 21.5-inch (491x288mm) PC monitors. It ensures that your screen remains bright and clear while effectively preventing dust and scratches. Whether you’re a student, office worker, gamer, or programmer, this protector is perfect for enhancing your viewing experience in any environment. Enhanced Eye Comfort Enjoy your digital activities without the worry of eye strain or blurred vision. Our screen protector acts as a blue blocker, promoting better sleep and overall eye health. With this protector, you can work, play, and browse with confidence, knowing your eyes are safeguarded against digital fatigue. Simple Installation Installing the screen protector is a breeze. Simply clean your monitor, remove the protective film from both sides of the screen filter, and hang it on your monitor. There are no batteries required, and you won’t have to deal with air bubbles. Plus, it’s easy to remove and can be transferred to other computers whenever needed. Upgrade your workspace with our 21.5 Inch Computer Screen Protector. With its combination of privacy, eye protection, and ease of use, this screen filter is an essential accessory for anyone looking to enhance their digital experience. Order yours today and take the first step towards a healthier, more comfortable computing environment!