Outsunny Outdoor Patio Umbrella with Tilt and Solar Powered LED Lights, 9-Feet, Latte Brown Square solar panel on top of umbrella charges throughout the day to light up the lights when its dark 8 rib construction (the most stable support to the canopy) 24 pre-installed white LEDs provide energy-efficient lighting Tilt system with push button for more desired angles of shading Umbrella canopy material: 180g/m2 polyester Fabric