100 incandescent mini lights on white wire, UL Approved for indoor and outdoor use 18 of Lighted Length, 20 of Total Length, 2.2 spacing between bulbs Lead from male plug to first bulb - 18. Tail from last bulb to female plug - 6 Connect up to 5 of these 100 count string lights end to end Ideal for Weddings, patios, trees, reindeer wire frames, party décor, etc.