TOTAL TSP9309 Auto-darkening welding helmet

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),