The LEDnovation EnhanceLite LED-MR16-35-12-30D-IS MR16 dimmable LED lamp is one of the world's most efficient LED lamps. It has been specifically designed for downlight applications and provides a strong, deep-red color rendering and saturation, allowing a more natural appearance of light output. Fully dimmable, this lamp is free of mercury and lead and is safer for the environment than the standard spiral CFL. It comes with a 5-year warranty. Note: Use this bulb in IP66 rated outdoor fixtures.