100-light color changing LED (light emitting diode) icicle light set. The lights change from blue to clear and back again for an amazing light show effect. LED bulbs use up to 90% less energy than incandescent lights and are built to last up to 100,000 hours of use. 18-inch and 21-inch drops with 4-inch bulb spacing. 20 icicle drops per string. 6-inch lead, 22-gauge wire.