Red Green Blue Yellow 12V LED MR11 Low Voltage Light Bulb GU4 Coloured Spotlight | eBay
Mr11 Gu4 Led Bulb 4w 12v Ac/dc Flood Light 35w Halogen Replacement Spotlight Landscape Recessed Track Light Gu4 G4 Base 4pcs - Led Bulbs & Tubes - AliExpress
Sunlite 03450-SU 5MR11/CG/GU4/NFL/12V 5 Watt MR11 Mini Reflector
MR11 GU4 LED Light Bulbs GU4 Bi-Pin Base AC12V 2W (20W Halogen Light Bulbs) Warm White 3000K Utral Bright Spotlight for Home Landscape Track Lighting,Pack of 6 - Walmart.com
Westinghouse 5-Watt 12 Volt Halogen MR11 Clear Lens Narrow Flood GU4 Base Light Bulb 0476600 - The Home Depot