Triangle Bulbs T10127 - 5 Watt MR11 Halogen Light Bulb, 6 Volt, 30 Degree Beam Spread Precision Halogen Reflector Fiber Optic Light Bulb 5 Watt MR11 6 Volt Precision Halogen Reflector Fiber Optic Light Bulb 5W 6V Base - GU4 ( Bi-Pin ) (4 Millimeters between Pins) With Cover Lens / Reflector- Fiber Optic Light Bulb Flood Light