Incandescent mini lights are still one of the most popular lights on the market. With the variety of colors that they come in their versatility and low cost these lights still dominate over any other light type. Add a fun and festive vibe to your Christmas tree railing or doorway with these timeless lights. Product Features: Color: blue bulbs / white wire. Number of bulbs on string: 100. Bulb size: mini. Spacing between each bulb: 2.5". Lighted length: 20.25'. Total length: 21.5'. 12" lead cord. 3" tail cord. Additional Product Features: If one bulb burns out the rest will stay lit. Contains end-to-end connectors which allow you to connect multiple sets together (not to exceed 210 watts). Lights are equipped with a lamp lock feature which makes them replaceable interchangeable and keeps them from falling out. Comes with replacement bulbs flasher bulbs and spare fuses. UL certified and approved for indoor or outdoor use. Wire gauge: 22. 120 volts 60 hertz .34 amps 40.8 watts