Short-wave blue light is light with a relatively high energy wavelength between 400nm and 450nm. Blue light in this wavelength will increase the amount of toxins in the macular area of the eye, which seriously threatens the health of our eye fundus. Blue light induces blindness, and the most effective solution at present is to film the TV. The anti-blue light film technology is very mature, and the cost is very low, which can effectively prevent blue light from penetrating. ?Please measure the monitor and the internal screen before purchase, excluding the frame. TV Matte Protective Film Material: Japan Imported P.E.T High Quality Materials Features: Anti-blue light / Anti-glare / Anti-radiation/ Anti-ultraviolet/ Anti-scratch/ Anti-myopia, Etc. Applicable People: Everyone Features? ?Frosted surface, The anti-reflective rate of the matte is better than that of the HD version, and the effect is better. ?4H Hardness Scratch Coating That Protect Your Tv From Child And Pets. ?Guarantee Bubble Free Installation. ?Anti-fingerprint And Grease Dirt ?The matte film slightly reduces the brightness of the picture, but does not affect the viewing. What You Get: 1x Anti Blue Light Screen Protector (Matte)