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

Viewing Area:92×42mm Cartridge Size:110×90×9mm Arc Sensor:2 Optical Class：1/1/1/2 Light State:DIN 4 Dark State:Variable shade, 9 ~13 Shade Control:External,Variable Power On/Off:Fully Automatic Sensitivity Control:AUTO UV/IR Protection:DIN 16

PE shell with vents Lining material: plastic Chin strap included Color:blue Weight：330g 8 Point suspension Adjust head size by buckle

PE shell with vents Lining material: plastic Chin strap included Color:white Weight：330g 8 Point suspension Adjust head size by buckle

PE shell with vents Lining material: plastic Chin strap included Color:yellow Weight：330g 8 Point suspension Adjust head size by buckle

PE shell with vents Lining material: ribbon Chin strap included Color:yellow Weight:380g "V"-type top reinforcement 4 Point suspension Adjust head size by ratchet knob