6 x 4.2W GU10 Long Neck LED bulb SYLVANIA 75mm x 50mm replaces 11w cfl type 5410288285856 | eBay
GU10 LED Light Bulbs, Dimmable 2700K Soft White 4.5W (50W Halogen Equivalent), MR16 Full Glass Cover, 25000 Hours, UL Listed, Energy Star Certified, by Mastery Mart (Pack of 10) - - Amazon.com