-Fliter model:WH450
-Light state:DIN4
-Dark state:DIN9-13( Inside Adjustment)
-Switching time:<1/20,000 at Room Temperature
-Delay time:Slow/Fast 0.15S~0.80S
-Sensitivity:Low/ High
-Battery:Li-Mi&Solar Combination(Min.Lifetime:5,000 Welding Hours)
-Viewing area:90x40mm(3-5/9"x1-3/5")
-Cartridge area:110x90x10mm(4-1/3"x3-5/9"x2/5")
-Weight:475g (1.05 Pound)
-Material of helmet:NYLON
-Available color:blue/black/silver