Rated at a 30,000 hour life, the Lighting Science Definity DFN16NWNFL120GU10 6 watt LED MR16 narrow flood lamp is a direct result of top-tier LED technology. The bulb has a twist and lock GU10 base, making installation easy and allowing for an input voltage of 120 volts. At a color temperature of 4000K, the bulb has a cool white glow and produces 345 lumens. It is the perfect replacement for a 30 watt halogen and seamlessly transitions into retrofit applications. The Definity MR16 comes with a 3-year warranty and is excellent for use in commercial, display, hospitality, residential, and retail lighting.