MEGAMAN | ER2304-20H36D-GU4-4000K-12V - MR11 Reflector Lamps | LED Retrofit Lamps, Shop Lighting, Direct Replacement for Halogen Spot Lighting
OSRAM PARATHOM MR11 12 V 20 36° 2.5 W/4000K GU4
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