◎ Model GL - 1002A ◎ Viewing field 100 x 50mm (4 x 2in) ◎ Shade control Light states: DIN4 Dark states: DIN9 - 13 Internal 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℃ to +55℃ ◎ Power supply Solar cells batteries,Two AAA batteries ◎ Lens power control Auto-on, Auto-off 15 minutes (when not on welding) ◎ Battery Indicator Nornal LED & LOW BATT LED ◎ Standards CE : EN379:2003; EN169:2002; EN175:1997 ◎ Helmet Material PP (Fireproofing) ◎ Total weight 520g
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