... Germany. Products meet the indicators1. Model of with helmets :EH-407, Configuration ADF Model: EF9040.2. Fire ... lithium batteries be changed.10.Switching time of with helmets :a) Light to dark: 1/25,000s. ... 12. Power on/off : Automatic.13. EH-4 Helmets Series Adapt to ADF: EF9040J, EF9040,EF9242,EF9848. ... .15. Colour : blue,green,silver,black,yellow,red, And beautiful pictures etc,spay-paint according to ...