This is high quality Solar Auto Darkening Welding Helmet，with solar charge function and full automatic ON/OFF，very convenient and efficient.It can shade automatically in welding states and filter out the bad lightYou will have a good protection with it at working and present occupational diseaseIt is compact and enough protectiveSolar Auto Darkening Welding HelmetEasy and safety to operateLight weight designSolar charge function，automatic ON/OFFIt can shade in welding states and filter out the bad light automaticallySpecifications:Name:Solar Auto Darkening Welding HelmetMaterial:ABSColor: Black & Green， Yellow & GreenQantity:1 x welding gogglesDimension: Length 20cm* width 5cm* height 10cmView area: 92*31mmShade control:Light states:DIN3Dark states:DIN11Dark state Shade No: DIN9-DIN13 stepless adjustmentSwitching time:Light to Dark:1/25000s(working at room temperature)Power ON/OFF: Fully automaticOperating temperature:-10 to +55 CPower supply:Solar cells，no battery change requiredPackage includes:1 x Welding Mask