Total Darkening Welding Helmet TSP9309

Viewing Area:90×35mm
Cartridge Size:110×90×10mm
Arc Sensor:2
Light State:DIN 4
Dark State:Fixed shade 11
Shade Control:Unadjustable
Power On/Off:Fully Automatic
Sensitivity Control:Unadjustable,Auto
UV/IR Protection:DIN 16
Power Supply:Solar cells. Re-chargeable
battery .No battery change required