【Reduce Eye Fatigue】This blue light blocking screen protector block harmful blue light from digital screens which can cause insomnia, eye strain, headaches, dry eyes and blurry vision. | 【 Blocks Blue Light & UV Light 】LAMA blue light filter can block blue ray between 380nm to 490nm for wide range radiation protection, protect the skin, relieve the fatigue of eyes and help you extension of working hours. | 【Compatible 27" Computer Screen】This blue light screen protector size is (WxH: 598mm*337mm/23.54"x13.26"),it suitable for 27 inch Diagonally Measured- Aspect Ratio 16:9, this versatile blue light protector for computer is engineered to be perfect compatible with LG, HP, Samsung, Dell, Lenovo, Acer and so on. | 【Easy Installation & Removable】The Anti Blue Screen Protector can be easily taken on and off when not in use. Choose between premium adhesive strips or slide mount tabs. Both included applications are easily removable. | 【 Protects Your Computer】 Extend computer longevity by protecting your screen from scratches and dirt. Acting as an outer layer on your computer, our computer screen protector keeps it free of dust. It comes with its own soft microfiber cleaning wipe.