Feature: 1. Advanced Blue Light Blocking Technology: The computer screen anti blue light filter out harmful blue light wavelengths between 380‑420nm, safeguarding your eyes, sleep, and skin from the negative effects of excessive blue light exposure. 2. Good Compatibility: Specifically designed for 27 inch 16:9 (598 x 337mm) desktop computer screens, this screen protector panel is ideal for students, office workers, gamers, and programmers, providing an ideal solution to guard your eyes during digital activities. 3. Excellent PET Material: Made from high transparency PET material, the computer blue light blocking screen protector effectively prevents screen dust and scratches, ensuring the longevity of your screen and maintaining visual clarity. 4. Multifunctional: You can enjoy your digital time without worrying about eye fatigue, blurred vision, and headaches. Our screen protector panel not only contributes to better sleep but also provides a blue light inhibitor to guard your eyes and overall health. 5. Easy Installation: The blue light blocking screen protector panel is easy to install without any bubbles. Simply remove the thin film on both sides of the computer screen blue light blocker after cleaning the screen, then adhere it to enjoy enhanced eye guard and guard. Specification: Item Type: PC Screen Protector Panel Material: PET Size: 27 Inch 16:9 (Approx. 598 x 337mm / 23.54 x 13.27in) Application: for 27 Inch Monitors. Package List: 1 x PC Screen Protector Panel 1 x Dust Cloth 2 x Adhesive Tapes 12 x Double Sided Tapes