-Fliter model:WH522
-Light state:DIN4
-Dark state:DIN9-13( Stepless Adjustment)
-Switching time:<1/25,000 at Room Temperature
-Delay time:Slow/Fast 0.15S~0.80S
-Battery:Replaceable Li-Mi&Solar Combination(Min.Lifetime:5,000 Welding Hours)
-Viewing area:98x43mm(3-6/7"x1-2/3")
-Cartridge area:110x90x8mm(4-1/3"x3-5/9"x1/3")
-Weight:490g (1.08 Pound)
-Material of helmet:NYLON
-Available color:blue/black/silver