1.Safety Helmet Welding ,CE,ANSI Z87.1 certifications. 2. ... Germany. 3.High-definition visual effec 1. Model Of Safety Helmet Welding: EH-403/EF9040.2. Fire resistanc: yes ... , two lithium batteries be changed.10. Switching time Of Safety Helmet Welding:a) Light to dark: 1/25,000s ... to ADF: EF9040J, EF9040,EF9242,EF9848.14. Colour Of Safety Helmet Welding: blue,green,silver,black,yellow,red, And beautiful ...