Optical Class：1/1/1/2

True color

Viewing Area：93X43mm

Cartridge Size：110*90*9mm

UV/IR Protection：DIN16

Light State: DIN4- Ture Color

Dark State: DIN 9~13 

Switch Time: 1/25000s,from Light to Dark

Delay Time(Dark to Light): 0.4 S

Storing Tep.: -5℃+55℃

Working Tep: -10℃-+70℃

Power supply: solar battery + 1x2032 lithium batteryPower on/off：automaticHelmet Material: Polypropylene (Fireproof)

Packaging: Color box （23*23*31CM)