Ikea Strala String of Globes Snowballs LED Holiday Lights 58 Feet 1 Inch Long 40 Total Globes Uses LEDs, which consumes up to 80% less energy and last 20 times longer than incandescent bulbs. Energy consumption: 3.0W. Transformer included. Built-in LED light source. LED life time approx. 20,000 hours. Approved for IP44. Suitable for indoor and outdoor use. Shade: Polystyrene Wire: Copper, PVC