... 4.High-definition visual effect. Products meet the indicators1. Full Face Welding shield Helmet Model:EH-228/EF9848.2. Fire resistanc: yes. ... supply: solar cells, two lithium batteries be changed.10. Full Face Welding shield Helmet Switching time:a) Light to dark: 1/25 ... Series Adapt to ADF: EF9040J, EF9040,EF9242,EF9848.14. Full Face Welding shield Helmet Colour: blue,green,silver,black,yellow,red, And ...