"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°c~+55°c
storing tep:-20°c~+70°c