Auto-darkening welding helmet

Viewing area: 90 ? 35 mm
Cartridge size: 110 ? 90 ? 9 mm
Arc sensor: 2
Light state: DIN 3
Dark state: Fixed shade 11
Automatic on/off
Sensitivity control: Unadjustable, auto
UV/IR protection: DIN 16
Power supply: Solar cells and sealed lithium battery
Switching time: 1/25 000s, from light to dark
Dark to light: 0.2 – 0.5s auto
Low amperage TIG: ?15 amps (DC), ?35 amps (AC)
Operating tep: -5? ~ +55?
Storing tep: -20?~ + 70?

Packed by colour box.