Auto-darkening welding helmet

Viewing area:92×42mm
Cartridge size:110×90×9mm
Arc sensor:2
Optical class?1/1/1/2
Light state:DIN 4
Dark state:variable shade, 9 ~13
Shade control:external,variable
Power ON/OFF:fully automatic
Sensitivity control:auto
UV/IR protection:DIN 16
Power supply:solar cells+2*CR2032 lithium batteries
Switching time:1/15000s,from light to dark
Dark to light?Delay?:0.1-1.0 auto
Low amperage TIG:?10amps(DC), ?10amps(AC)
Grinding function :yes
Low volume alarm:yes
Operating tep:-5?~+55?
Storing tep:-20?~+70?
Packed by color box