10Pcs/Lot Halogen Spotlight Bulbs MR11/MR16/GU10 Various Holder Traditional 12V/220V Halogen Lighting Fixture Warm White Bulbs - AliExpress
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
Westinghouse 3515300 White Single 4 Watt White Dimmable MR11 GU10 LED Bulb - LightingDirect.com
MR11 LED Light Bulb | Regina Andrew Detroit
Sunlite 66165-SU 20MR11/CG/GU10/FL/120V 20 Watt MR11 Mini Reflector