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 6pcs - Amazon.com
MR11 GU4 BULB 380LM 3.7W 4000K NON-DIMM 36 BEAM INTEGRAL - Integral LED
4 Pack] LED MR11 3W 20W 12V Halogen Replacement GU4 Bi-Pin 4000K Natural White | eBay