Nemo Electronics Technology Co., Ltd. is a NEMO Electronics Technology CO., LTD. based in SHANGHAI , China. Nemo Electronics Technology Co., Ltd. is a member of exporthub.com since March, 2008. Our business is related to Electrical & Electronics Supplies industry and we specifically deal in AUTO-DARKENING WELDING HELMET. Please find our product details below:AUTO-DARKENING WELDING HELMET21) Cartidge size: 110X90X8mm(4-1/3"x3-5/9"x1/3")2) View area: 92X42mm(3.62"x1.66")3) Arc sensor: 2 4) Function:"WELDING"/"GRINDING"can be selective5) UV/IR protection: Up To Shade DIN 15 at all time6) Variable shade: DIN 4/9-13(Outside Stepless Adjustable)7) Switch time: a)light to dark: <1/25000s(Room Temperature and High Sensitivity) b)dark to light: 0.1-1.0s at "Slow-Middle-Fast" position 8) Sensitivity: Can be adjustable at "High-Middle-Low" position 9) Power supply: Solar cells, No battery change required10) Power On/Off: Fully automatic11) Operation temperature: -5 °C +55 °C (23 °F 131 °F) 12) Storing temperature: -20 °C +70 °C (-4 °F 158 °F)13) Warranty: Two years14) Helmet material: Polyamide(Nylon)/High-impact resistant plastic15) Total weight: 465gAUTO-DARKENING WELDING HELMET1) Cartidge size:110X90X8mm(4-1/3"x3-5/9"x1/3")2) View area: 92X42mm(3.62"x1.66")3) Arc sensor: 2 4) Function:"WELDING"/"GRINDING"can be selective5) UV/IR protection: Up To Shade DIN 15 at all time6) Variable shade: DIN 4/9-13(Outside Stepless Adjustable)7) Switch time: a)light to dark: 1/25000s b)dark to light: 0.1-1.0s at "Slow-Middle-Fast" position 8) Sensitivity: Can be adjustable at "High-Middle-Low" position 9) Power supply: Solar cells, No battery change required10) Power On/Off: Fully automatic11) Operation temperature: -5 °C + 55 °C (23 &de