◎ Model	GL - 1000A
◎ Viewing field	90 x 40mm (3.54 x 1.58in)
◎ Shade control	Light states:  DIN4
	Dark states:  DIN9 - 13 Outside stepless adjustment
◎ Switching time	Light - dark:  1/25000sec (0.04ms)
◎ Delay time	Dark - light:   0.2 - 0.3sec
◎ UV/IR protection	Up to shade DIN16 at all time
◎ Operating temperature	-10℃ to +70℃ (14℉ to 158℉)
◎ 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 & LOW BATT LED
◎ Standards	CE :  EN379:2003; EN169:2002; EN175:1997
◎ Helmet Material	PP (Fireproofing)
◎ Total weight	515g