This welding helmets is designed to protect the eyes and faces from sparks and spatters during welding The welding goggles with adjustable shade are designed to protect the eyes from sparks, and harmful radiation When the arc is generated, the screen will suddenly become dark from the normal state and the arc will disappear Auto-darkening filter automatically changes from a light state to a dark state when an arc is struck, and it returns to the light state when welding stops, solar charging, no battery Suitable for electric welding, shielded welding, argon arc welding, two welding, polishing, etc, Weight: 0.24030386558 Pounds, Manufacturer: Zambuph