This decorative mains operated light set will make an eye-catching addition to your display this Christmas Suitable for both indoor and outdoor use, with a generous 5m lead from the plug to the first bulb Approximately 4m in total, meaning roughly 10cm spacing between each bulb Low power LEDs are more efficient than halogen bulbs, helping you to save on energy costs Non-replaceable LEDs last up to 500 times longer than halogen bulbs lights are on a green cable, meaning that they easily blend into most Christmas settings