Bulbrite 620050 - EXN/120 - 50 Watt MR16 Halogen Light Bulb (EXN), 120 Volt, 38 Degree Beam Spread Base: 2-Pin, GX5.3 (5.3mm between pins) 50 Watts, 120 Volts, 38 Degree Beam Spread Shape: MR16 (2" Diameter, 1 7/8" Length) Life: 2000 Hours Covered Lens