LED MR16 GU10 4000K Cool White - 120 VOLT - 6 Watt
JSVSAL (6-Pack Dimmable MR11 GU10 35mm Mini LED Light Bulbs,4000K Natural White, AC 120V, 3W GU10 Base Spotlight Bulbs Replace 25-35W Small Halogen Bulb for mr11 Track Lighting - - Amazon.com
LUXRITE 50-Watt Equivalent MR16 GU10 Dimmable LED Light Bulbs Enclosed Fixture Rated 4000K Cool White (6-Pack) LR21502-6PK - The Home Depot
Led Bulb Light Cob Spotlight 110V 220V GU10 GU5.3 E27 E14 Dimmable Cold White Nature White 4000K RGB Red Green Blue Yellow Lamp|LED Bulbs & Tubes| - AliExpress