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| Shade Number In Lighte State：Din4# Shade Number In Dark State：Din9#—13#（stepless regulation） Response Time：＜0。1ms （room temperature） Return Time：rapid o。2s slow 0。8s Battery：LI-Mi ﹠Solar cells(min.lifetime is 5000 Welding hours) Working Temperature:-5°C（23°F）to +55°C（131°F） View Area：90×40mm UV transmittance:313nm≤0.00006% 365nm≤0.000076% IR Transmittance: 780-1300nm≤0.003% 1300-2000nm≤0.009% Weight:430g Material of Helmet:PA Demensions of carton:730×550×320mm(6 packaged helmet inside) Gross Weight：7kgs |
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