Bulbrite 20-Watt Equivalent MR8 with Bi-Pin Base GU4 Dimmable Soft White Light 2900K Halogen Light Bulb (5-Pack) 862020 - The Home Depot
MR8 Light Bulb LED Replacement for Mini Halogen Recessed Lamps 12 Volt 1" Diameter GU4 RV Boat Camper Yacht Train Motor Home Interior Tiny House Ship Van Truck Sprinter Lighting - Cool
MR16-1212 - MR16 Fiber Optic
The Light Bulbs that Power Fibre Optic Trees and Flowers