Auto Darkening Solar Powered Welding Helmet

Material: Polypropylene (PP)
Auto darkening welding glasses: 9#～13#
View Area: 92x42mm.
The reaction time ≤ 0.1 ms
Delay time: 0.3s ~ 0.7s
Working temperatur: -5˚C a +55˚C
UV/IR Protection: ≤ 0.00012%/0.06%.