Create a winter wonderland this holiday season with the warmth of multi-colored mini Christmas lights. 100 incandescent bulbs are spread 2.5 inches apart on green wire, making the set perfect for wrapping wreaths, metal and wooden arches, posts, and tree trunks. UL listed for indoor/outdoor use, the set averages 3,000 hours of trouble-free lighting. The set is 21 feet in length, and 5 sets can safely be connected end-to-end. Bring the magic of the holidays to your home this season with festive and bright lights.