Total Auto-darkening welding helmet Viewing area:90×35mm

Viewing area:90×35mm Cartridge size:110×90×10mm Arc sensor:2 Light state: DIN 4 Dark state: fixed shade 11 Shade control: unadjustable Power ON/OFF: fully automatic Sensitivity control: unadjustable, auto UV/IR protection: DIN 16 Power supply :solar cells. re-chargeable battery .no battery change required Switching time:1/5000s,from light to dark Dark to light:0.15-0.45s auto Low amperage TIG:≥20amps(DC), Auto-darkening welding helmet