Amazon.com: MR11 Type Halogen Light Bulb Down Reflector Spot Lamp 20 Watt 12V 2 Pin Oven Hood Range Lighting High CRI Bright Kitchen 45° Beam Warm White 20W GU4 Dimmable Replacement GL
ALIDE MR11 GU4 Led Bulbs 6000K Daylight Cool Bright White 3W,Replace 20W 35W Halogen Equivalent,12V MR11 GU4 Low Voltage Bulb Spotlight for Outdoor Landscape Track Lighting,Not Dimmable,30 Deg,6 Pack - Amazon.com
Feit Electric 20-Watt Equivalent MR11 GU4 Bi-Pin Dimmable 12-Volt Track Lighting 90+ CRI LED Flood Light Bulb, Bright White BPFTD/930CA - The Home Depot