For iPhone 5/5s/iPhone 5c/ [SE-1st Gen] 4" inch Carebol Anti Blue Light Tempered Glass Screen Protector,Eye Protect,Explosion-Proof Screen,High Definition [1 Pack];

The wavelength of the blue light is short, but its energy is too high. So the blue light can directly penetrate crystalline lentil into the retina.

What are the harms of the blue light?
Blue light can reach the retina, causing myopia, excitable brown pigment, making your skin produce Chloasma, freckle. It can cause retinal damage after cataract surgery, blurred vision,visual fatigue caused by VDT syndrome.

Why should you choose an anti-blue light tempered glass screen protector?
Anti-blue light tempered glass screen protector is a development of screen protector for preventing the harm of the blu-ray. It is mainly effevtively block the blu-ray through the absorption of blue light and transformation. It can prevent ocular damage, visual fatigue, blurred vision and glare caused by 380nm to 420nm high-energy short-wave blue light. It can protect your skin and prevent dry skin,Chloasma, and freckle caused by ultraviolet reflection.

Installations:

1.Desmear with wet cloth firstly, and then Use dry cloth to clean screen
2.Tear off the film on the bottom, align the cutouts to the screen and slowly apply it onto the screen
3.With the middle part finger pressing, the film is absorbed on the screen automatically slowly.
4.With cloth or scraping, easily squeeze out the remaining tiny bubbles..

Package include:

*1X tempered glass screen protector
*1X Alcohol Cleaning Wipe(Wet)
*1X Microfiber Cloth(Dry)
*1X Guide sticker dust absorber
*1X Mini Scraper
*1X retail packaging

Compatible with iPhone SE/iPhone5/iPhone5S/iPhone5C(4 inch )