Shade Control: light States: din4
Dark States: din9-13internal Adjustment
Switching Time: light-dark: 1/25000sec(0.04ms)
Delay Time: dark-light:0.2-0.3sec
Uv/ir Protection: up To Shade Din 16 At All Time
Operating Temperature-10cto+70c(14fti 158f)
Power Supply Solar Cells Batteries,two Aaa Batteries
Lens Power Control: auto On ,auto-off After 15-20minutes Of Idle Time
Battery Indicator: normal Led& Low Battled
Standards:ce: en379:2003;en169:2002;en175:1997
Helmet Material: pp(fireproofing)