1.Flip up welding helmet. 2.Viewing area: 92*42mm. ... 13. Products meet the indicatorsLatest style flip up Welding Helmet EH-1281. Model Of Flip up Welding Helmet: EH-128, ... cells, two lithium batteries be changed.10. Switching time Of Flip up Welding Helmet :a) Light to dark: 1/25 ... Tig/argon arc/arc welding/Gas welding.15. Colour Of Flip up Welding Helmet : blue,green,silver,black,yellow,red, ...