Welding Helmet,welding Mask

Outside adjustment
min weiding hours 5000
Sensitivity Cont Delay Control:Quick-grade----0.3s  Slow-grade----2s
rol Switching:Low-Grade≤2m  High-Grade≤5.5m
Sensitivity Cont Delay Control:Quick-grade----0.3s  Slow-grade
rol Switching:Low-Grade≤2m  High-Grade≤5.5m
shade number in light state:DIN4#
shade number in dark state:DIN9#?3#
Response Time: <0.1ms
Battery:Li-Mi﹠Solay cells
Lens size:  90?0mm