4 LED lights per rib. 32 pre-installed white LEDs provide energy-efficient lighting * Square Solar Panel on top of umbrella can charges throughout the day and absorb twice or more sun"s rays than the round one * 180g/m2 Polyester Fabric, Weather-resistant , UV protective. Tilt with kirsite frame which is stronger than aluminum or iron frame * Color Fastness up to European Standard Level 5 or 4 while level 3 tops current market standard * Easy tilt operation, Hand-crank lift and Air vent. Press the button and the umbrella will tilt to left / right