Titan 41260 Solar Powered Auto Darkening Welding Helmet,Weiss Tool Distributors,TTN 41260" /> Projects against UV and infrared radiation in variable shades from DIN 9 to DIN 13 Lens automatically darkens when an arc is struck and returns to normal when welding stops Powered by solar cells with battery back-up Viewing Area: 3.86-Inch x 1.70-Inch