A decorative Blue MR16 Cluster LED that is a direct retrofit for a standard halogen bulb. The 2 Watt output is the equivalent of a 15 Watt halogen bulb. 21 LEDs emit a high intensity light source from this ultra-efficient LED that saves up to 80% in energy consumption. Featuring a 50000 hour life span. Please note LED MR16 lamps require drivers of the appropriate voltage to operate and have limited compatibility with existing halogen transformers.