Grinding and Welding Multi-purpose Welding Auto Darkening Helmet Grinding and Welding Multi-purpose Welding Auto Darkening Helmet Viewing area: 92 x 42 MM (3-6/7 x 1-2/3") Cartridge Size: 110 x 90 x 8 MM (4-1/3" x 3-5/9" x 1/3") Sensors: 2 with TIG Capacity &gt; 5A Light state: DIN4 / Dark state: DIN9-13 (Stepless Adjustment)