Eiko 15124 - FTD - 20 Watt MR11 Style Halogen Light Bulb, 12 Volt, 30 Degree Beam Spread 12 Voltage Rating, 20 Watts, 1.67 Amps GU4 Base, MR11 Bulb, C-8 Filament 1.38"/35.0mm MOL, 1.39"/35.3mm MOD 600 Approx Initial Max Beam CP CT deg K 2900, 30 Beam Angle, 2000 Rated Life