※★★Two tiers design: Hot air or wind will flow through the multiple vents quickly which can make your umbrella more stable against windy conditions and cooler underneath. ※★★This Patio Umbrella has 40 built-in LED lights with 8 steel ribs and 5 LED lights on each rib. ※★★Powder-coated aluminum pole and 8 rust-proof steel ribs provide enhanced durability to this umbrella. No base included ※★★Humanized design with crank and tilt mechanism, using the handle up and down to control the opening and closing of the umbrella.