... . Products meet the indicatorsAuto darkening welding helmet (EH-122/EF9848)1. Model :EH-122/EF9848, Configuration ADF Model: EF9848.2. Fire resistanc ... high,Steplessly adjustable.12. Power on/off : Automatic.13. EH-122 Helmets Adapt to ADF: EF9040J, EF9040,EF9242,EF9848.14. Application ...