* 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: -10º C to +70º C (14º F to 158º F)  
* 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