12 PC Halogen Bulbs MR11 12V 20 Watt Bulb Bi-Pin Base Spotlight Glass — AllTopBargains
MR11 LED Bulb GU4 Bi-Pin Base LED bulb 3W/5W AC/DC12V-24V Halogen Replacement | 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