MR16 Halogen Bulb 35W Dimmable 12V GU5.3 Bi Pin Base Spotlight with Long Lifespan, 2700K Warm White MR16 Bulbs with Clear Glass Cover for Landscape Lights, Track Lights, Fiber Optics, 6 Pack
MR11 & MR16 Lamps - Flight Light Inc.
E14 male To G4, MR11, MR16 female Converter Adapter - Converters - LEDLight
SANSUN 2.4W LED MR11 Light Bulbs, 12v 20w Halogen Replacement, Fiber Optics Christmas Tree Bulb, G4/GU4/GZ4 Bi-Pin Base, Soft White 3000K, Non-Dimmable, (Pack of 4) - - Amazon.com
Mr16 Led Spotlight Red Mr11 12v Blue Colorful Green Spotlight Mr16 220v Blue 12v Mr11 Green 220v Mr11 Spotlight - Led Bulbs & Tubes - AliExpress
A Buyer's Guide To Comparing 12volt Low Voltage MR8, MR11 And MR16 Light Bulbs - The Lightbulb Co. UK