*Model:  GL - 1007M
*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: 1/20000 - 1/30000sec (0.05-0.035ms)
*Delay time Dark - light: 0.1 - 1sec
*Sensitivity / Delay Time:  Stepless Adjustable
*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, Integral Two Lithium Batteries
*Lens power control: Auto-on, Auto-off 15 minutes (when not on welding)
* Standards: CE: EN379: 2003; EN169: 2002; EN175: 1997
* Helmet Material: PP (Fireproofing)
* Total weight: 500g