Halco 107119 - MR16BAB/YEL - Yellow 20 Watt MR16 Halogen Light Bulb, 36 Degree Beam Spread, 12 Volt 20 Watt, 12 Volt, 36 Degree Beam Spread Shape: MR16 (2" Diameter, 1.78" Length) Base: GU5.3 (5.3 millimeters between pins) Life: 4000 Hours Yellow