HALCO LIGHTING TECHNOLOGIES 20-Watt Equivalent 3-Watt MR11 Dimmable LED Flood 30 Degree 10-18V Light Bulb GU4 Warm White 2700K 81093 MR11FTD/827/LED 81093 - The Home Depot
Philips 35W Equivalent Clear GU4 Base MR11 Halogen Floodlight Light Bulb - Bliffert Lumber and Hardware
ALIDE MR11 GU4 + MR16 GU5.3 Led Bulbs 2700K Warm White for Outdoor Landscape Lighting - Amazon.com
10x 12V Halogen LED Lamp Holder Base Socket Plug for G4 MR16 GU5.3 MR11 GU4 New | eBay
ALIDE MR11 GU4 Led Bulbs,Replace 20W 35W Halogen Equivalent,2700K Soft Warm White,12V MR11 LED 3W Low Voltage Bulb Spotlight for Outdoor Landscape Track Lighting,Not Dimmable,250lm,30 Deg,6 Pack - Amazon.com
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
Green Long Life® 3528104 - GU4 Base 190 lm 3.12W Cool White MR16 LED Bulb (921) - CAMPERiD.com
MR16 LED Bulbs | GU4 Base | SKU: GBLEDMR113W30K-6pack
2.5W MR11 GU4 12V by Green Creative - Marvel Lighting