Bulbrite EXN/E26 50-Watt 120-Volt Halogen MR16 Lensed Medium Base, Flood Lasts an average of 2000 hours Specialty MR16 Medium (E26) base 38-Degree Beam Spread Available in a variety of wattages and beam spreads, as well as lensed for UV Stop protection Bright, White Halogen Light