Sunlite 20-Watt MR11 12V 2-Pin (GU4) Base Dimmable 10° Narrow Spot Halogen Light Bulb in 3200K Warm White (6-Pack) HD03619-6 - The Home Depot
SANSUN 2.4W LED MR11 Light Bulbs, 12v 20w Halogen Replacement, Fiber Optics Christmas Tree Bulb, G4/GU4/GZ4 Bi-Pin Base, Soft White 3000K, Non-Dimmable, (Pack of 4) - - Amazon.com
Red Green Blue Yellow 12V LED MR11 Low Voltage Light Bulb GU4 Coloured Spotlight | eBay
2.5W/12V MR11 GU4 LED LED-0150-LS | Lite Source Inc.
Satco 3W LED MR11 Bulb, 20W Inc. Retrofit, GU4, 210 lm, 12V, 3000K, Lensed (Satco S8603) | HomElectrical.com
MR11 LED Light Bulb 2W Flood Light Bulbs 20W Halogen Replacement GU4 Bi-Pin Base for Home Landscape Track Lighting and Christmas Tree Fiber Optics 6000K Cool White 12V Not Dimmable Pack of