HitLights Halo Dimmable PAR20 8W Cool White (5000K) LED Light Bulb, UL Listed, 5 Years Warranty, Indoor/Outdoor Use Replacement bulb for a traditional 50W incandescent or Halogen bulb. Uses 85% less energy and lasts up to 50,000 hours. Affordably priced at up to 50% less than competitor LED bulbs. For indoor and outdoor use in any standard household E26 base and fixture. Estimated lifetime savings of $231.00 with a yearly energy cost of $1.14 (based on 3 hrs/day, $0.13/kWh). Instant on full brightness with little heat generation. Eco-friendly with no mercury or UV radiation. High quality. Includes a 5 year warranty. UL Listed. Available in Warm White and Cool White.