Ushio 1000405 - EXN/FG, JR12V-50W/FL36/FG - MR16 Eurostar 50 Watt 12 Volt Flood Covered Halogen Bulb 50 Watts, 12 Volts, 36 Degree Beam Spread (EXN) Shape: MR16 (2" Diameter, 1.78" Length) Base: GX5.3 (5.3mm between pins) Life: 5000 Hours Cover Glass over Reflector