Feit Electric 20-Watt Equivalent MR11 GU4 Bi-Pin Dimmable 12-Volt Track Lighting 90+ CRI LED Flood Light Bulb, Bright White BPFTD/930CA - The Home Depot
Ryloas GU4 Halogen Bulb, 3PCS GU4 MR11 12V 20W Dimmable with Glass Cover, High Output 250LM
2.5W/12V MR11 GU4 LED LED-0150-LS | Lite Source Inc.
Westinghouse 20-Watt Halogen MR11 Clear Lens Low Voltage GU4 Base Spot Light Bulb 0474800 - The Home Depot
Makergroup MR11 Gu4.0 Bi-pin LED Light Bulb 3W 12VAC/DC Low Voltage LED Spotlights Warm White 2700K-3000K for Outdoor Landscape Lighting and Indoor Recessed/Track Lights 2pcs - - Amazon.com