b'TECHNOLOGY2 laserbrown HDR 2 laserpurple HDRImpactX Photochromic 2 Laser Brown ImpactX Photochromic 2 Laser Purpleluminous transmittance 73% - 17% - filter category 1/3 luminous transmittance 48% - 8% - filter category 1/3activated / cosmetic appearance activated / cosmetic appearance09'