Feature: 1. REDUCES EYE FATIGUE: Blue light screen protector is cleverly designed to alleviate eye strain and related discomfort by significantly reducing exposure to UV and blue light. With the capacity to filter up to 61% of blue light and 99% of UV rays, it offers optimal eye protection and minimizes fatigue, promoting a healthier digital lifestyle. 2. BLUE LIGHT BLOCKING: Featuring a 5 layer design, our versatile blue light filter effectively cuts down the negative impact of blue light wavelengths from 420‑460 nanometers. The optically clear adhesive layer and a minimum of an 85% transmittance rate ensure pixel perfect image clarity, enhancing your digital viewing experience. 3. IDEAL COMPATIBILITY: Expertly fitted for 27inch widescreen monitors with a 16:10 aspect ratio, as measured diagonally, product size being 581mm x 363mm. This multi functional blue light protector is designed to pair seamlessly with popular monitor brands like for HP, for Dell, for Acer, for Asus, for Viewsonic, and others. 4. PROTECTS YOUR MONITOR: In addition to protecting your eyes, our computer screen protector also extends the lifespan of your monitor. It keeps your screen non dustand safe from scratches and grime. What is more, it comes with a soft, ultra fine microfiber cleaning cloth for added user convenience. 5. EASY TO INSTALL: Removable blue light screen protector allows a no fuss, precise installation process that does not require messy tapes or complex procedures. Offering the convenience of easy removal or reattachment, our blue light blocking screen protector guarantees flexibility and ease of use whenever necessary. Specification: Item Type: Blue Light Blocking Screen Protector Material: PET Size: Approx. 27inch (581 x 363mm / 22.9 x 14.3in). Package List: 1 x Blue Light Blocking Screen Protector 1 x Set of Tool