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 holiday tree， railing， or doorway with these timeless lights. Product Features: Color: blue bulbs / white wireNumber of bulbs on string: 100Bulb size: miniSpacing between each bulb: 2.5 Lighted length: 20.25 Total length: 21.512 lead cord3 tail cordAdditional Product Features:If one bulb burns out， the rest will stay litContains 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 fusesUL certified and approved for indoor or outdoor useWire gauge: 22120 volts， 60 hertz， .34 amps， 40.8 watts