Bulbrite EXT/L 50-Watt 12-Volt Halogen MR16 Bi-Pin Lensed, Narrow Spot Lasts an average of 2000 hours Standard MR16 GU5.3 Bi-Pin base 12-Degree Beam Spread Available in a variety of wattages and beam spreads, as well as lensed for UV Stop protection Bright, White Halogen Light