Blue light computer screen protector 21.5 inch with aspect ratio 16:9, screen blue light blocker size W*H 19 5/16 * 11 5/16 (491*288mm).(Incompatible with IMAC 21.5)
Anti blue light screen filter effectively blocks 90% blue light,99% UV light and blocks other harmful lights ≥99%.
8H reinforced material with a HD view,real colors, scratch resistance,anti-fingerprint, Ultra-thin 2mm, explosion-proof.
Effectively reducing eyes strain, migraine, myopia, eyes dryness, hyperemia, headache,UV attacks, aging, insomnia so on, monitor blue light filter makes you focus on your works and studies, improve sleeping quality.
Removing the screen adhesive films before installing computer blue light blocking screen protector.