Home Accents Multicolor String Lights /150 LED Dome Lights 49ft, 8in Uses up to 80% less energy than traditional incandescent bulbs. Energy-efficient manner with the 150-Light Dome LED Multicolor Light. Packaging may vary.. All-weather and water-resistant for indoor or outdoor use. These maintenance-free, LED lights burn as much as 80% less energy than standard incandescent bulbs and are designed to last up to 20 years.