Deluxe Auto Darkening Welding Helmet - Solar/Battery Powered

(AP8070) Deluxe Auto Darkening Welding Helmet - Solar/Battery PoweredFeatures: Ready to use out of the box. Lens changes from clear to dark in 1/20, 000 second. Variable shade adjustment - 9-13 DIN Operator adjustable delay from dark to clear state. Full face and front neck protection. 98mm x 38mm viewing lens area Utilizes performance solar cells as power supply and has 2 built-in 3v lithium batteries as power back-up. Under normal welding conditions, users can expect a battery life of more than 6 years. Meets ANSI standards Z87.1