GE 20840 - Q71MR16/C/FL40 - 71 Watt ConstantColor MR16 Halogen Light Bulb, 40 Degree Beam Spread, 12 Volt, GX5.3 Base Base: 2-Pin, GX5.3 (5.3 millimeters between pins) EYC ANSI Code: 71 Watts, 12 Volts, 40 Degree Beam Spread Shape: MR16 (2" Diameter, 1 7/8" Length) Life: 5000-6000 Hours