-Fliter model:WH310

-Light state:DIN4

-Dark state:DIN9-13( Stepless Adjustment)

-Switching time:<1/10,000 at Room Temperature

-Delay time:Slow/Fast  0.15S~0.80S

-Battery:Replaceable AAA&Solar Combination(Min.Lifetime:5,000 Welding Hours)

-Viewing area:90x40mm(3-5/9"x1-3/5")

-Cartridge area:120x95x10mm(4-8/11"x3-8/11"x2/5")

-Weight:480g (1.07 Pound)

-Material of helmet:NYLON

-Available color:blue/black/silver