Auto-Darkening Welding Helmet, Welding Mask ,Welding product--Model CNGALAXY3000

Auto-Darkening Welding Helmet, Mask Model CNGALAXY3000
Shade Adjustment Internal Knob, External Knob
1/. Picture black, red, blue, etc
2/. Viewing Area 90X40mm, 98X48mm
3/. Main Technical Data Filter size: 110X90X11mm
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: 0.1s to 0.8s 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