1. Auto darkening Welding Helmet with CE 2.Dark state: DIN9-13 ( Stepless Adjustment outside ) 3. different types 4. OEM Auto darkening Welding ... state: DIN9-13 ( Stepless Adjustment outside )3,Switching time: < 1/10,000s at room temperature4,Delay time: slow/ fast:0 ... area: 92 x 42 mm (3-5/9” x 1-3/5”)10,Cartridge Size : 110 x 90 x 10 ... mm (4-1/3” x 3-5/9” x 2/5”)11,UV ...