The Lighting Science DFN3075WENWHENFL120 dimmable 11-watt Definity LED PAR30 long neck reflector uses 84 percent less power than 75-watt incandescent or halogen lamps. At 77 lumens per watt, this lamp delivers more light while notably using less power. With a 4000K, cool white color temperature and long 50,000 life hour rating, this reflector is perfect for hard-to-reach landscape lighting applications. This PAR30L 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 Replace your outdated halogen bulbs today with the energy-saving, eco-fiendly LED Definity PAR30L lamp.