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 touch to your Christmas tree banister or doorway with these timeless lights. Product Features: Number of bulbs on string: 50 Bulb size: mini Bulb type: incadescent Additional Product Features: Super bright bulbs UL certified and approved for indoor or outdoor use however the light itself is recommended for indoor use only If one bulb burns out the rest will stay lit Lights are equipped with a Lamp Lock feature which makes them replaceable interchangeable and keeps them from falling out) Comes with replacement bulbs and a spare fuse Contains end-to-end connectors which allow you to connect multiple sets together (not to exceed 210 watts) Wire gauge: 22 120 volts 60 hertz 0.17 amps 20.4 watts