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.