MR16 Halogen Bulb 20W Dimmable 12V GU5.3 Bi Pin Base Spotlight with Long Lifespan, 2700K Warm White MR16 Bulbs with Clear Glass Cover for Landscape, Track Lights, Fiber Optics, Desk Lamps, 6
4 Pack] LED MR11 3W 20W 12V Halogen Replacement GU4 Bi-Pin 4000K Natural White
E-Simpo E26/E27 to MR16/Gu5.3/GU4/G4 - Standard E26/E27 Edison Screw Base to MR16 GU5.3 Base Adapter Holder Converter (Aging Adapter) - - Amazon.com
Spot led lightbulb with GU4 (or GU5.3) base Stock Photo | Adobe Stock
4/6/10 PACK MR11 LED Spotlight GU4 Bulb Light 3W/5W AC/DC12V-24V Warm/Cool White | eBay