Swap out old incandescent bulbs with 0.6-Watt LED Light Bulbs. These non-dimmable bulbs feature solid-state technology to resist shock and vibration. They emit 4000K Cool White light and fit into E12 candelabra base fixtures such as night lights. These energy-saving bulbs use 91% less electricity than halogen and incandescent bulbs and last up to 15,000 hours.