1.Solar Powered Welding Mask,Electro-optical technology of Germany 2.CE,ANSI ... certifications 3.The time of fast 1/25000s 1. Solar Powered Welding Mask Model:EH-220/ EF9040J.2. Fire resistanc: yes ... ,EF9646,EF9848.14. Application:Mig/Tig/argon arc/arc welding/Gas welding.15. Colour: blue,green,silver,black,yellow,red, And ...