It takes about 4 hours. Latest version welding helmet, meets the safety and technical standard of EN379 and ANSI Z87.1. The True Color Technology upgrade to YESWELDER welding helmets - improves visibility and reduces eye strain by minimizing the traditional lime green coloring in the helmet view screen.Great For TIG MIG MMA, Plasma Applications with Grinding Feature. Viewing Size 3.86"x2.17" with 4 Premium Sensors. Better clarity, True color view - 1/1/1/2 Optical Clarity. Integrated Fan-Keeps Welders Cool Under the Helmet. Integrated Light-The greater your ability to see the contours and edges of your workpiece, as well as your work environment.
Better Clarity, Real Color View. Now you can make a good view even better. Mode toggle switch to set "Weld, Cut or Grind" mode. When "Grind" mode is set the lens will not respond to any arc. THIS MODE IS FOR GRINDING ONLY.
Set back to "Weld or Cut " as soon as finished Grinding to avoid accidental flash. When mode toggle switch on "Cut", The "Shade" dial then have the range "5-9". When mode toggle switch on "Weld", The "Shade" dial then have the range "9-13".
Headgear with oversized comfort cushion provides extensive adjustability, settings, and improved support for better fit and comfort.