Filter size: 110×90×9mm
Viewing Area: 98×40mm
Light state: DIN.3 or DIN.4
Dark state: DIN.9-13
Switch time: 1/25000s
Delay time: 0.6s
Power supply: Solar cells & lithium batteries
Power on/off: Fully automatic
Arc sensor: 2 pieces
Sensitivity: adjustment, Grinding,
Welding helmet weight: 420g
Extra functions: Sensitivity adjustment small current welding. Switching set for less than 20Amps TIG welding.