Ryloas GU4 Halogen Bulb, 3PCS GU4 MR11 12V 20W Dimmable with Glass Cover, High Output 250LM
BLUEX BULBS 20-Watt MR11 GU4 Base Halogen Light Bulb 3000K Warm White (2-Pack) MR11-20W - The Home Depot
LED Light Bulb MR11 12V 10W 15W 20W Spotlight Bulbs Cool/Natura/Warm White Light | eBay
4pcs LED MR11 Light Bulbs, EEEkit 3W 12V LED MR11 Flood Light Bulbs Equivalent to 20W Halogen Bulbs, GU4 Bi-Pin Base for Landscape Accent Lighting, 3000K Soft White - Walmart.com