【Wide Applications】Shade range 4/9-13 covering most common welding processes, great For TIG MIG MMA and GRIND  
  
 【Perfect Eye Protection】Switching from light to dark in 1/30000 sec, which can resist most of the harmful light and greatly protect the eyes from damage.  
  
 【Long Battery Life】Powered by solar panel technology and replaceable CR2450 lithium battery. Solar panel can transform harmful arcs into electrical energy not only for longer life, but also provides support for energy conservation and environmental protection.  
  
 【Clear view】Equipped with standard 3.64"X1.67" viewing area and 2 premium sensors, which allows welders to see clearly at different angles.  
  
 【True Color】This auto darkening welding helmet applies upgraded technology 1/1/1/1 optical clarity, improves visibility, true color view, better clarity.