1. Blue light filter filter: 20-inch screen protection effectively filters the harmful blue light with between 380-420 nm. The advanced blue light block technology protects the eyes, sleep and skin from negative effects \ 'excessive exposure to blue light.
2 The protection of the blue light display screen is made of highly translucent pet, which actually prevents screen dust and scratches. Excellent for students, ol, players and programmers in their office/home.
3 It improves sleep, blocks blue light and protects eye health. Blocks 99 percent of harmful light ›reduces eye fatigue and provides vast Hev protection.
4 Just clean the display and detach the movie on both sides of the Blue Blocker computer screen. Easy to attack on the screen.
5 It reduces eye fatigue caused by prolonged exposure to digital screens. It improves the general health of the eyes and comfort.

Technical specifications:
Article type: anti -blu light laptop protection protection
Material: pet
Dimension: ca. 20 inches 16: 9 (442 x 249mm / 17.4 x 9.8 inches)
Applicable display size: 20 -inch display

How to use:
Ready for installation and use

Packagelist:
1 x screen protector
1 x non -dust fabric
2 x sticker
12 x side ribbon side