solar helmet 1.The Viewing area of Inverter solar: 98*48mm. 2. CE,ANSI Z87.1 certifications. 3. ... cells, two lithium batteries be changed.10.Switching time of Inverter solar:a) Light to dark: 1/25,000s.b) Dark ... /Tig/argon arc/arc welding/Gas welding.15. Colour of Inverter solar: blue,green,silver,black,yellow,red, And beautiful pictures ...