This 37W Halogen PIRL MR16 Halogen lamp produces increased light output and better color rendering characteristics while using 26 percent less energy than a standard 50W halogen MR16. It is ideal for spot and flood MR16 applications including merchandising, display cases, retail, hospitality, restaurants, and bars. The Halogen PIRL MR16 has 26 percent energy savings (37W IR vs. 50W MR16) and almost 100 percent more CBCP (50W IR vs. 50W MR16). It also has a dichroic coated precision glass reflector and 5,000 hour average lamp life. Cover lens with UV blocking protection. Has a GU5.3 base for easy replacement and solid connection. Beam spreads including 9, 25, 35 and 60 degrees. Consistent color over life of the bulb. Energy Star qualified.