Anti-glare film for TV Because the anti-glare function does not work for everyone, because the angle of light or direct sunlight will cause the anti-glare effect to decrease Therefore, please do not expose the screen to direct sunlight or the TV to harsh light. Don't worry if the installation creates creases or waves.You can use a hair dryer with hot air to get rid of the wrinkles or creases. Anti-blue Light Feature for TV After installing the protective film, most of the harmful blue light is filtered, taking care of your family and children's eyes, preventing myopia and sleeping better. The size of the protective film should match the width and height of the internal screen or be slightly smaller than the internal screen by 1mm~3mm, but not larger than the internal screen.As screen sizes of various brands of TVs on the market may vary slightly, so please measure your screen to see if it matches the protective film before purchasing.