> Optical Class: 1 /1 / 1/ 2
> Viewing Area: 90×35 mm
> Cartridge Size: 108×50×6 mm
> Arc Sensor: 2
> LightState: DIN 3
> DarkState: Fixed shade 11
> Power On/Off: Fixed shade 11
> UV/IR Protection: Up To Shade DIN16 at all times
> Power Supply: Solar cell.Lithium batteries can not be changed
> Switching Time: 1/5,000 s. from Light to Dark
> Dark to Light: 0.25 ~ 0.45s
> Low Amperage TIG Rated: ≥35 amps/DC; ≥35 amps/AC
> Operating Temp: -5°C~ +55°C (23°F ~ 131°F)
> Storing Temp: -20°C~ +70°C (- 4°F ~ 158°F)