ANKIT LED Vintage Blue String Lights, Copper Wire, Indoor Outdoor, Vintage Ocean Blue, Waterproof (45 LEDs, 15 Feet) led Indoor Firefly Lights Christmas Lights Party Lighting Xmas Lights Holiday 15 feet long, with 45 lights Works on battery pack* so lights can be used anywhere. For illuminating any area indoor or outdoor. Light up your room, porch, or even car dashboard, with these awesome lights.