Simply tilt this umbrella using the tilt function to the perfect angle. This umbrella has a round solar panel at the top, which powers the lights along the umbrella ribs for 8 to 12 hours without the need for electricity. The umbrella pole fits most umbrella stands as well as most dining and bistro sets that are designed to accommodate umbrellas. Each piece is sleekly designed, rigorously tested for durability, and assembly instructions have been standardized for simplicity from start to finish. This classic style and reliable craftsmanship will weather ever-changing trends and regular use for years to come.