The OHE550D welding helmet is an auto-darkening digital welding helmet equipped with a new improved digital ADF suitable for most welding applications. Includes auto darkening filter, external grinding function which allows the user deburring and grinding operations, automatic on/off detection, low battery indicator, and allows the welder to see the point of arc strike more precisely. It is made of High Impact Resistant Nylon (PA) and is lightweight to reduce fatigue. Can be used for most welding applications.