Universal Patio Umbrella String Light fits 7.5/8/9/10 ft patio umbrellas with 8 ribs, 128pcs LEDs to create romantic ambience at night 8 Lighting Modes & Adjustable Brightness - 8 lighting modes & 11 levels of brightness adjustable Easy to Install - With plastic zip ties for fixing strands onto umbrella ribs Battery Operated & Easy to Use - No need to connect to external power source; Remote for easy control Widely Used - Ideal for decorating umbrellas in outdoor setting like gardens, yards, beaches