Auto Darkening Welding Helmet Filter Lens Shade 3/9-13 Size 4.33"×3.54"×0.354" Package include:Helmet Filter Lens Shade Filter size: 110×90×9mm 4.33"×3.54"×0.354" Viewing Area: 98×40mm 2.94"×1.2" Light state: DIN.3 or DIN.4 Dark state: DIN.9-13 Switch time: 1/25000s Delay time: 0.6s Power supply: Solar cells & lithium batteries Power on/off: Fully automatic Arc sensor: 2 pieces Welding helmet weight: 420g Extra functions: Sensitivity adjustment small current welding. Switching set for less than 20Amps TIG welding.
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