Feit Electric 10-Watt Bright White (2700K) MR11 G4 Bi-Pin Base Dimmable 12- Volt Halogen Light Bulb BPQ10MR11/HDRP - The Home Depot
50-Pack of Halogen Light Bulb, G4 Base JC Type(2Pin), Low Voltage, 12 – factoryrvsurplus.com
10 Pack G4 Led Light Bulb 12v Ac Dc Led G4 Lamp 24led Replace 10w T3 Jc Halogen Bulbs Warm White 3000k Natural White 4000k 6000k - Led Bulbs & Tubes - AliExpress