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Light State:Din3 Dark States:Din9-13 (continuous adjustment) Switching Time:<0.1ms at room temperature Delay Time:Slow:0.5s Fast:1.5s Batteries: Li-Mi & Solar (min. lifetime is 5000 welding hours) Operating Temperature:-5℃(23℉)----- +55℃(131℉) Viewing Area:40X90mm Size of Filter Cartridge:110X90X9mm Rate of Ultra-Violet transmittance:313nm<0.00006% 365nm<0.000061% Rate of Infra-Red transmittance: 780-1300nm<0.003% 1300-2000nm<0.009% Weight: 420g Material of Helmet: Nylon PACKAGE： Demensions of Carton:540X490X300mm (4 packaged helmet inside) Gross weight:6kg Net Weight:2kg 
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Risun Hardware Co.Ltd.
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Safety Products
