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1).Light state: Din4 ;Dark state: Din9-13 ( stepless Adjustment)
2).Switching time: < 1/25,000s at room temperature
3).Delay time: Stepless Adjustment 0.2S ~0.60S
4).Sensitivity : Stepless Adjustment
5).Battery:Replaceable Li-Mi and solar combination( No battery change required)
6).Viewing area: 98 x 48 mm
7). Weight: 490G (1 .08 Pound) Material of helmet: NYLON Available color: as photo attached
8).Sample and shiping fees: paid by weaster union ,delivery by DHL,EMS.
Auto darkening welding masks
