Make your treetops glisten when you decorate this holiday season with clear mini Christmas lights. The 50 incandescent bulbs are spaced 6 inches apart on green wire making them ideal for decorating trees, house trim, and outdoor designs. UL listed for indoor and outdoor use, the set averages 3,000 hours of trouble-free lighting. Up to 3 sets of the 25-foot strings can be connected end-to-end and if a bulb burns out, the rest stay lit. Let your house don its gay apparel with these durable, reliable, and economical lights.