USB: Runs on a safe, low-voltage USB power supply (5V). Christmas string lights: Get a magical LED Christmas string light. Material: Made out of copper wire, PVC, and LED. Festive design: The cute design features Christmas trees, snowmen, and even Santa Claus himself! Colour: When activated, the light emits a warm, white glow. Size: Approximately 3 x 0.5 meters long. | 3m LED Christmas String Light - White | Wowcher