MR11 GU4 LED Light Bulbs GU4 Bi-Pin Base AC12V 2W (20W Halogen Light Bulbs) Warm White 3000K Utral Bright Spotlight for Home Landscape Track Lighting,Pack of 6 - Amazon.com
Eiko FTC 20 Degree Medium Flood MR11 GU4 Base Halogen Bulb, 12V/20W - Amazon.com