The Lighting Science DFN2050WECWHENFL120 dimmable 8-watt Definity LED PAR20 reflector uses 84 percent less power than 50-watt incandescent or halogen lamps. At 75 lumens per watt, this lamp delivers more light while notably using less power. With a 5000K, stark white color temperature and long 50,000 life hour rating, this reflector is perfect for hard-to-reach landscape lighting applications. This PAR20 is UL listed for wet locations and compliant with RoHS standards, containing no toxic lead or mercury. Replace your outdated halogen bulbs today with the energy-saving, eco-fiendly LED Definity PAR20 lamp.