Protecting Against Wavelength: 190-540 & 800-2000nm, including 808nm Infrared Laser; 980nm Infrared Laser, 1064nm Infrared Laser OD: 4+ VLT:20%
Based on the human eye's perception: equal powers of green 532nm light is 20 times brighter than blue 450nm light, 8 times brighter than red 650nm light, and 190 times brighter than purple 405nm light.