H&Z 5PCS GU4 Halogen 20W Bulbs, G4 12V 20W with 2800k Warm White, Long Lifespan G4 Bi-Pin Base Dimmable for Cabinet Light - Walmart.com
Amazing power G4 LED Bulb, 12V Bi Pin Base Bulb, NOT Dimmable G4 20W Light Bulb Equivalent, Warm White 3000K, 5-Pack - Amazon.com
G4 LED Bulbs 12V 20W Halogen Bulb Replacement, HengBo G4 Bi Pin Base JC Type T3 Light Bulb Warm White 3000K for Under Cabinets Home Lights, Non-Dimmable, (Pack of 10) - Amazon.com