GU10 LED Light Bulbs, Dimmable 2700K Soft White 4.5W (50W Halogen Equivalent), MR16 Full Glass Cover, 25000 Hours, UL Listed, Energy Star Certified, by Mastery Mart (Pack of 10) - - Amazon.com
Ascher GU10 LED Light Bulbs, 50W Halogen Bulbs Equivalent, 4W, 400 Lumens, Non-Dimmable, 2700K Warm White, 120° Beam Angle, LED Bulbs for Recessed Track Lighting , GU10 Base, Pack of 5 - - Amazon.com
Sylvania 59020 - 50W PAR16 GU10 Base 120 Volt Flood Beam Halogen Bulb – BulbAmerica