Powered by simple H2O, the Brush Hero was designed for expert level auto detailing--even in the most difficult to clean spots such as lug nuts and wheel spokes. Cleaning tires, rims, hubcaps, barbecues, ATVs and more is fast and easy--even without batteries or electricity. The Brush Hero scrubs with just the right amount of torque so you don't need to worry about your paint job or harsh chemicals.