The Speedglas™ 9000V• For welders handling a variety of amperages and different arc welding processes, we offer the Speedglas 9000V.• The Speedglas 9000V provides five user-selectable dark shades for stick, MIG and TIG welding: 9, 10, 11, 12, and 13. For low-amp TIG and other welding conditions, the welder can select from three dark shades: 9, 11, and 13.Specifications:• Light Shade: 3• Dark Shades: user-selectable to 9, 10, 11, 12, and 13• Off (Fail-Safe) Shade: nominal 5• Viewing Area: 3.57’ x 1.68” (91 x 43mm)• Weight, Helmet with Lens: 17.14oz (486g)• Battery Life (Average): 1500 hours• Operating Temperature: 23º to 131ºF (-5º to 55ºC)