accmor Led Christmas String Lights, CR2032 Battery Operated Lights Set of 10, Bedroom Indoor Outdoor Halloween Decorations, 7.87ft 20 Leds Waterproof Cooper Lights for(UL Certified, Warm White) Christmas string light is operated by CR2032 batteries (Included), set of 10 Led Christmas decorations are made of flexible copper materials, can be bent and shaped easily. Decorative lights are waterproof, safety, durable and heat-resistant. Copper wiring is safe. Suitable for trekking, camping or travel. Popular as illuminating devices for the wheels of bicycle. Excellent New year decoration gift to prettify the flower bouquets, tables, and ceilings.