Dimmable 4W GU10 LED Bulbs, 35W Equivalent, Recessed Lighting, Track Lighting, Warm White - Newegg.com
GERAMEXI GU10 LED Light Bulbs, 4W, 6pcs Non Dimmable Spotlight, 5000K Daylight Replacement for Halogen 50W Light Cup,120V 400lm High Brightness with Glass Cover, for Recessed Track Lighting - Amazon.com
GERAMEXI GU10 LED Light Bulbs, 4W, 6pcs Non Dimmable Spotlight, 3000K Warm White Replacement for Halogen 50W Light Cup,120V 400lm High Brightness with Glass Cover, for Recessed Track Lighting (3000k) - Amazon.com