Model: GL-1002A
Viewing field: 100 x 50 x 11mm (4 x 2 x 0.43")
Shade control

          Light states: DIN4
          Dark states: DIN9 - 13 Outside Stepless Adjustmant
Switching time

          Light - dark: 1/30000sec (0.035ms)
Delay time

          Dark - light: 0.2 - 0.3sec
UV/IR protection: Up to shade DIN16 at all time
Operating temperature: -5 ~ +55°C 
Power supply: Solar Cells Batteries, Two AAA Batteries
Lens power control: Auto-on, Auto-off 15 minutes (when not on welding)
Battery Indicator: Normal LED and LOW BATT LED
Standards: CE: EN379:2003; EN169:2002; EN175:1997
Helmet Material: PP (Fireproofing)
Total weight: 520g (1.15lbs)