... choice of 4 shelves, red LBD directio India Auto-darkening Welding Helmet 3011. Auto-darkening Welding Safety Helmet Model:EH-301, Configuration ADF ... solar cells, two lithium batteries be changed.10. Auto-darkening Welding Safety Helmet Switching time:a) Light to dark: ... 14. Application:Mig/Tig/argon arc/arc welding/Gas welding.15. Auto-darkening Welding Safety Helmet Colour: blue,green,silver,black ...