◎ 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 Adjustment      
◎ UV/IR protection   Up to shade DIN16 at all time     
◎ Operating temperature   -10℃ to +70℃ (14℉ to 158℉)     
◎ 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