Please measure the monitor and the internal screen before purchase, excluding the frame.Please select the correct size 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. 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. TV Matte Protective Film Material: Japan Imported PET High Quality Materials Features: Anti-blue light / Anti-glare / Anti-radiation/ Anti-ultraviolet/ Anti-scratch/ Anti-myopia, Etc. Applicable People: insomniac, students, office staff, ps4 ps5 game lovers, fashion beauty, pregnant women, elderly, filter out blue light and relieve computer eye strain to help you sleep better ★Filter out Blue Light. ★Protect eyesight. ★Frosted surface, The anti-reflective rate of the matte is better than that of the HD version, and the effect is better. ★ Scratch Coating That Protect Your Tv From Child And Pets. ★Guarantee Bubble Free Installation. ★Anti-fingerprint And Grease Dirt/ Extra Sensitive Touch Screen. ★Easy to apply and remove. What You Get: 1x Anti Blue Light Screen Protector (Matte Film) 1x Gift Cleaning Cloth If you have any questions, just send us an email, our customer service staff will solve for you at the first time.