Auto-darkening welding helmet AHM009

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), ?20amps(AC)
Operating tep:-5?~+55?
Storing tep:-20?~+70?
Packed by color box