Halco 81060 - MR16BAB/827/LED MR16 Flood LED Light Bulb Halco's ProLED MR16 Series Offers Energy efficient operation and long-life alternative to 20W Halogen lamps 10-18V Range Eliminates Voltage Drop Calculation 82 CRI for quality and consistent color rendering Dimmable to 5% for design flexibility Maintains at least 70% of its initial lumens for 40,000 hours of operation.