Viewing Area:  98×48mm
Light state:  DIN.4
Dark state:  DIN.9-13
Switch time:  1/25000s
Delay time:  0.2-0.8s continue adjustable
Power supply: Solar cells & lithium batteries
Power on/off:  Fully automatic
Shade knob: Out
Sensitivity:  Adjustable
Welding helmet weight:  420g                   Suitable for ARC, TIG, MIG, Spot, Micro, Wire, AC, DC, and Plasma Welders and Plasma Cutters.