1、OPTIMAL FIT FOR 23 INCH SCREENS: Specifically tailored for 23 inch monitors with a 16:9 ratio, this versatile blue light guard offers an ideal fit for a range of leading brands including for HP, for Dell, for Acer, for Asus, and for Viewsonic. Measured diagonally, it boasts product dimensions of 509mm x 286mm, seamlessly fitting in with your workspace requirements. 2、EASES EYE DISCOMFORT: Take the strain off your eyes and lessen discomfort with our UV and blue light reducing screen protector. Filtering up to 61% of blue light and up to 99% of UV rays, our product is committed to reducing eye exertion and enhancing your digital lifestyle. 3、BLUE LIGHT BLOCKING: Our multi layered blue light filter is engineered to minimize harmful blue light wavelengths from 420‑460nm. With an optically clear adhesive layer and at least 85% light transmission, this screen protector guarantees image clarity without pixel distortion, thus becoming an essential accessory for all your digital devices. 4、ENHANCED PROTECTION: Prolong your display life by protecting it from scratches and dirt. With our screen guard doubling as your screen protective outer layer, we guarantee a no dust screen. It also includes a soft, ultra fine microfiber cleaning cloth for your added convenience. 5、EASY INSTALLATION: Experience a simple and precise installation process with our removable blue light screen protector. It eliminates the need for untidy tapes or complex installation instructions. Our screen protector can be comfortably removed or reattached as per your need, offering you maximum flexibility and ease of use. Item Type: Blue Light Blocking Screen Protector Material: PET Size: Approx. 23inch (509 x 286mm / 20 x 11.3in) 1 x Blue Light Blocking Screen Protector 1 x Set of Tool