This 11x11-foot solar cantilever umbrella guards the comfort of your patio day and night: the double-top design enhances shade and ventilation, the crank handle lets you adjust the tilt angle at the touch of a button; efficiently converts solar energy during the day, storing it in the removable batteries, and at night illuminates the patio for a romantic ambiance, and the USB-C port ensures easy charging. The USB-C port ensures easy charging. With a suitable rod base, you can move the umbrella more conveniently. Set includes patio cantilever umbrella and base Umbrella： STURDY & DURABLE: Premium Sun Canopy: Flexible Shade Adjustment: Stabilizing Ventilation Design: Integrated Solar Lighting System: Base： Umbrella： Base: