True-Fusion&trade; BioMech IQ1700 Solar Powered Auto-Darkening Welding Helmet/Grind mask with FREE Storage Bag, Spare Lenses and Spare Sweatband included Auto-Darkening Solar Powered with Lithium Cell backup FREE: Helmet Bag, 5 Spare Lenses, Spare Sweatband Unique Overall 'BioMech' Design