Cartridge size: 110*90*9mm

 Viewing area: 100*41mm

Shade State: DIN4/9-13 stepless variable(External)

Grinding function: Yes,DIN4(External)

Sensitivity: Stepless variable(Internal) S

witch time: <1/30000s

Delay time:  0.1-1.0s stepless variable (Internal)

UV/IR protection : Shade DIN16(Permanent)

 Power supply: Solar cell&Li-batteries,no battery change Operating temp: -10°C ~+ 60°C

Helmet Material:     Special Nylon