Solar Power Piperine Auto Darkening Welding Hood with 3.86"x1.78" Wide Shade Range Din 9-13 with Grinding Feature Extra Lens Covers Good for Arc Tig Mig Plasma Ce En175 En379, Ansi Z87.1-2010 Certified (Eh-539 Eagle) Certification:CE EN175 EN379, ANSI Z87.1-2010 Variable shade: From DIN 9 -13. Darkness adjustment: External. Viewing area: 98*44mm Power supply: solar cells, two lithium batteries. Application:Mig/Tig/argon arc/arc welding/Gas welding.