Prevent peeking by restricting the viewing angle of a Surface Pro screenThis privacy filter for 13-inch Surface Pro 8, 9, and X models seamlessly transitions from an unobstructed view to a hidden screen beyond the intended viewing angle, significantly improving visual privacy in both office and public environments. The anti-glare matte finish helps reduce reflections in glare-prone environments and provides additional screen protection with a scratch- and fingerprint-resistant coating. 4-way privacy and touch support The security filter ensures optimal privacy in portrait or landscape format when viewing beyond 30° from the center and covers a total viewable area of 60°. It supports touchscreen input and gestures, to maintain a Surface Pro-like experience while protecting on-screen content. Installation The Privacy Filter is compatible with 13-inch Surface Pro 8, 9, and X models and has a precise fit that won't interfere with the display, camera, or speakers. Use the included installation kit and read the instructions to apply the filter to your computer screen. Reduced blue light The Blue Light Privacy Filter alleviates eye strain and improves visual comfort by blocking 40-51% of the blue light emitted from the display (in the 380-480 nm wavelength range). Symptoms of digital eye strain, such as headaches, dry eyes, and blurred vision, can be alleviated with privacy filters that filter blue light.The StarTech.com Advantage