Let your home shimmer like a winter wonderland with this string of warm white LED mini lights. The 50 energy saving LED Christmas light bulbs are spaced 4 inches apart on green wire making them perfect to wrap posts or tree trunks. UL listed for indoor and outdoor use, up to 43 sets of the 17-foot strings can be connected end-to-end. Get the warmth of incandescent lights, the look of diamonds, and the economy of LED when you choose these lights for your holiday designs. Bulbs are not removable.