Brand New Certified ANSI CSA CE Professional Multifunction Solar Powered Auto Darkening Welding Helmet+Grinding with 4 sensors This Helmet is ANSI,CSA and CE Certificated welding helmet SpecificationLarge viewing area 3.94"×2.87"(100mmX73mm) with the highest optical quality 1/1/1/1 Brightest light shade level DIN 3 with the widest shade range 3/4-8, 9-13 4 sensors provide the lens switching speed 1/25,000 of a second in full conformity with CE and ANSI Z87 standardsCharges with exposure to welding or sunlightOperation Temperature: -5 degrees C ~ 55 degrees C high-impact resistant Nylon Function features: sensitivity knob for you to control easily "Welding"/"Grinding" can be selected by switchtime delay switch for you to control switching time from darkness to lightdarkness shade level knobthis helmet can accept cheater lens1/1/1/1 Top Optical Class

Brand New Certified ANSI CSA CE Professional Multifunction Solar Powered Auto Darkening Welding Helmet+Grinding with 4 sensors This Helmet is ANSI,CSA and CE Certificated welding helmet SpecificationLarge viewing area 3.94"×2.87"(100mmX73mm) with the highest optical quality 1/1/1/1 Brightest light shade level DIN 3 with the widest shade range 3/4-8, 9-13 4 sensors provide the lens switching speed 1/25,000 of a second in full conformity with CE and ANSI Z87 standardsCharges with exposure to welding or sunlightOperation Temperature: -5 degrees C ~ 55 degrees C high-impact resistant Nylon Function features: sensitivity knob for you to control easily "Welding"/"Grinding" can be selected by switchtime delay switch for you to control switching time from darkness to lightdarkness shade level knobthis helmet can accept cheater lens1/1/1/1 Top Optical Class