E-Simpo 10pcs E26/E27 to MR16/Gu5.3/G4/Gu4 - Standard E26/E27 Edison Screw Base to MR16 GU5.3 G4 GU4 Base Adapter Holder Converter (Ceramic Material) - Amazon.com
Ryloas GU4 Halogen Bulb, 3PCS GU4 MR11 12V 20W Dimmable with Glass Cover, High Output 250LM
ALIDE MR11 GU4 + MR16 GU5.3 Led Bulbs 2700K Warm White for Outdoor Landscape Lighting - Amazon.com
JSVSAL (6-Pack Dimmable Green MR16 GU5.3 Bi-Pin Base LED Bulbs,5W, 50W Halogen Equivalent,AC/DC 12V Low Voltage,40 Degree Spotlights for Landscape Yard Garden Tree Pool Holiday Lighting - Amazon.com
DYstyle 3W MR11 GU4 LED Bulbs 12V AC/DC GU4.0 Bi-Pin Base LED Spotlights 25W MR11 Halogen Bulb Replacement Daylight 6000K for Outdoor Landscape Track Recessed Cabinet Lighting - Walmart.com
SANSUN Landscape LED Bulbs Bundle with 4pcs 2.4W MR11 LED Bulbs and 4pcs 5W MR16 LED Bulbs for 12V Low Voltage Outdoor Landscape Lighting - Amazon.com
ALIDE MR11 GU4 + MR16 GU5.3 Led Bulbs 2700K Warm White for Outdoor Landscape Lighting - Amazon.com
MR16 Halogen Bulb 50W 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