Main Technical Data:

Filter size: 110X92X11mm

Windows size: 90X40mm

Ultraviolet ray transmittance rate: 313-365nm< 3. 4x10-6%

Infrared ray transmittance rate: 780-1300nm< 0. 0027%

1300-2000nm< 0. 0097%

Dark shade range: DIN9-13

Light shade number: DIN3

Switching time: 1/20000s from bright to dark

Recovery time: 0. 6s to 1s from dark to bright

Power supply: solar cells

Eye protection: EN379 1/2/1

Face protection: EN175

Auto-power on/off: Yes

Net weight: 460g±10g