Accmor Led Starry String Lights, Firefly Outdoor Lights, Seasonal Indoor Decoration Waterproof Sliver Battery Operated Portable Lights(UL Certified, 7.87ft, Set of 6, Warm White) Christmas string lights operated by CR2032 batteries (Included) Led Christmas decorations lights made of flexible copper materials, can be bent and shaped easily Decorative, waterproof, durable and heat-resistant with safe copper wires Suitable for trekking, camping or travelling. Popular as illuminating devices for the wheels of bicycle Excellent Christmas decoration gift to prettify the flower bouquets, tables, and ceilings