Illuminate your patio with this easy-to-install solar-powered light set that charges up during the day and turns on automatically at dusk. Designed to universally clip to any patio umbrella, to attach just simply tie directly onto your umbrella arms using the specially designed ties, clip the solar panel onto the umbrella and turn it on! The string lights will automatically go on at night and off during the day to charge. Each unit features 72 LEDs on 8 strands of lights with 9 LEDs per string. Features two lighting modes: choose between flashing or steady lighting modes. Fits umbrellas from 7.5 to 9 with an 8-rib construction (umbrella not included).