Universal Anti-Peeping Screen Protector 13.3-27 Inches Blue Light Blocking Monitor Filter for Computer/Laptop Snap-On Type Installation The secrecy filter makes the screen appear dark when looking at it from an angle (left and right 30°), but clear when looking directly at it. To change the secrecy levels, simply adjust your monitor's brightness level accordingly. The high-transparent and reinforced built-in protective layer not only presents high-definition picture quality but also protects your screen from scratches. Compared with traditional screen protectors, these anti-blue light monitor filters can be directly suspended without sticking and will not produce any bubbles. Attach or take it quickly without the need for tools; it is perfect for when you need to switch between secrecy and full clarity. Features: Improved Filter: With upgraded technology, the computer screen is designed for ±30° view angles, it combines secrecy with a sleek look that enhances your workspace. Easy to wipe, it stays new, merging secrecy, and practicality. Save Your Eyes: Reduce eye strain and associated discomfort by reducing your exposure to UV and blue light. Our blue-light-blocking screen protector filters out about 70% of blue light and 66% of UV light to help minimize eye fatigue. Protects Your Monitor: Extend monitor longevity by protecting your screen from scratches and dirt. Acting as an outer layer on your monitor, our computer screen protector keeps it free of dust, it is wear-resistant and enduring. Easy Installation: It adopts a new snap-on installation method, which does not require complicated tools. It can be installed by snapping on both sides, and it is easy to take. The protector can be used at any time without leaving any traces. Good Compatibility: Universally Compatible with all 13.3"-27" monitors, various sizes for you to choose from, suitable for both desktop computers and laptops. It is even removable and reusable if you buy a new monitor. Specifications: Type: 13.3in, 14in, 15.6in, 18.5in, 21.5in, 23in, 23.8in, 24in-16:10, 24in-16:9, 27in (Optional) Material: ABS Package Size: 382 * 237 * 30mm/15.04 * 9.33 * 1.18in Package Weight: 100g/3.53oz, 120g/4.23oz Package Size: 425 * 270 * 30mm/16.73 * 10.63 * 1.18in Package Weight: 190g/6.7oz Package Size: 490 * 308 * 30mm/19.29 * 12.13 * 1.18in Package Weight: 200g/7.05oz Package Size: 542 * 340 * 30mm/21.34 * 13.39 * 1.18in Package Weight: 230g/8.11oz, 250g/8.82oz, 270g/9.52oz Package Size: 630 * 375 * 30mm/24.8 * 14.76 * 1.18in Package Weight: 290g/10.23oz Packing List: 1*Screen Protector