Sunlite 40770-SU 20MR11/SP/12V/R Color MR11 10° Narrow Spot Halogen Lamps, 20-Watt, 12-Volt, GU4 2-Pin Base, Cover Glass, Dimmable, 2,000 Hour Life Span, 6 Pack Red - - Amazon.com
SagmCo Blue MR16 LED Bulb 50W Equivalent,AC/DC 12V,40 Degree,GU5.3 Base,5W 500 Lumens LED Spotlight Bulb, Perfect for Track and Home Lighting,Non- Dimmable,6 Pack - - Amazon.com
Sunlite 66130-SU 20MR11/SP/12V/B Color MR11 10° Narrow Spot Halogen Lamps, 20-Watt, 12-Volt, GU4 2-Pin Base, Cover Glass, Dimmable, 2,000 Hour Life Span, 1 Pack Blue - - Amazon.com
Westinghouse 35-watt Halogen MR16 Clear Lens GU7.9/8.0 Base Flood Light Bulb 0472700 - The Home Depot
Westinghouse 10-Watt Halogen MR11 Clear Lens Narrow Flood GU4 Base Light Bulb 0476100 - The Home Depot
Feit Electric 10-Watt Bright White (2700K) MR11 G4 Bi-Pin Base Dimmable 12-Volt Halogen Light Bulb BPQ10MR11/HDRP - The Home Depot
LGIDTECH FUT104 Miboxer 4W MR16 Led 2.4GHz Bulb Spotlight GU5.3 Socket AC/DC 12V RGB+CCT Color and Temperature Changeable Dimmable,But Single Bulb Wouldn't Work.Controller and Hub is Sold Separately - - Amazon.com