CBconcept&reg; 3XMR1650W-B BLUE Color Halogen Light Bulb MR16 12Volt 50Watt - 3 Bulbs 50 Watt, 12 Volt Shape: MR16 (2" Diameter, 1.78" Length) Base: GU5.3 (5.3 millimeters between pins) Life: 4000 Hours BLUE