Parameters: . Suitable for 190-470&800-1700nm wavelength, OD 5+ Visible Light Transmission (VLT): 50% Have clear view without flickering Made of Hardened Polycarbonate, unbreakable CE Marked, GJB1762-93, EN207/208 and AU/NZ Standards High attenuation rate Nd: YAG Laser:266nm,OD=5 He-Cd Laser:441.6nm,OD=5 YAG laser:1064nm,OD=5 Diode laser: 808,810,OD=4;904,980,1510,1530,1610nm ,OD=5 Lightweight black nylon frame, durable and impact resistance Sporty look Imported PC lens with harden processing, possess anti-abrasion, anti-blast, anti-alcohol and high temperature resist (boiling) Large field of vision by curved lenses provides increased viewing CE Marked, EN207/208 and AU/NZ Standards