1. Welding Helmet (BSW-001-7EC)ModelEC styleOptical class1/1/1/2Viewing area100*60mmCartridge dimension133*114*10mmArc sensor4Light stateDIN 4Dark stateDIN 4/5-8/9-13Shade controlinternal adjustablePower on/offAutomaticUV/IR ProtectionDIN 16Power supplyLarge solar cell and lithium batterySwitching time1/30,000S from light to darkDelay time0.1-1.0S stepless adjustableSensitivityStepless adjustableGrinding functionYesCutting functionYesADF self-check functionYesLow battery indicator lightYesCR2450 Battery change requiredYesLow amperage TIG rated≥5 amps/DC; ≥5 amps/ACWarranty24 months