Convertible 4- to 2-wheel Powered Gemini carries up to 1,000 lb. Its 750 W direct drive motor runs in forward/reverse at up to 4 mph. Truck has rechargeable battery, nitrogen-inflated pneumatic tires, 2 industrial-grade casters with brakes, and 2 nonmarking wheels with sealed, semiprecision bearings. Folding containment arm keeps loads in place during transport.