MR11 G4 GU4.0 Led Bulb Lamp AC12V DC12~24V 12-5050 SMD LED Light Warm/White | eBay
4W G4 LED Bulb - Orison Series LED Landscape - 12v AC/DC Low Voltage Lights - 3000K Warm White - Sold in Multiples of 6
E-Simpo 10PCS E26 to Gu5.3/GU4/G4/MR16 Adapter- Standard E26/E27 Edison Screw Base to MR16 GU5.3 G4 Gu4 Base Adapter Holder Converter (PBT Material) - Amazon.com
H&Z GU4 Halogen 20W Bulbs, 10 Pack G4 12V 20W with 2800k Warm White, Long Lifespan G4 Bi-pin Base Dimmable for Cabinet Light - Walmart.com