SINCELIGHT 12V MR16(GU5.3) LED Reflector Ø50mm Spot Light Bulb with GU5.3 Base, 6 Watt, 450 Lumens, 50W Halogen Equivalent, 2700K (Warm White), High Color Rending RA≈92, 38°Beam Angle, Pack of 6 - Amazon.com
quelili GU10 Dimmable LED Bulbs, 50W Spotlight Halogen Lamps Equivalent, MR16 Full Glass Cover Reflector, 4.5W 400lm 5000k Daylight White, UL Listed, Energy Star (Pack of 6)(50K) - Amazon.com
Ikea 12v 20 watt MR16 mount light bulb., Furniture & Home Living, Lighting & Fans, Lighting on Carousell
Ikea MR16 12V 20W halogen bulb
Changing Halogen Track and IKEA Lighting to LED Bulbs (GU4, GU5.3, MR16 base) - Energy Smart Home Performance