Viewing area: 92 ? 42 mm
Cartridge size: 110 ? 90 ? 9 mm
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 x CR2032 lithium batteries
Switching time: 1/15 000s, from light to dark
Dark to light (Delay): 0.1 – 1.0 auto
Low amperage TIG: ? 10 amps (DC), ? 10 amps (AC)
Grinding function: yes
Low volume alarm: yes
Operating tep: -5? ~ +55?
Storing tep: -20? ~ +70?

Packed by colour box.