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◎ Model GL - 1007M 
◎ Viewing field 90 x 40mm (3.54 x 1.58in) 
◎ Shade control Light states: DIN4Dark states: 
DIN9 - 13 Outside stepless adjustment 
◎ Switching time Light - dark: 1/30000sec (0.035ms)  
◎ Delay time Dark - light:   0.2 - 0.3sec   
◎ Sensitivity / Delay Time  Stepless Adjustable  
◎ 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