MR11 vs MR16 - difference between MR11 and MR16 bulbs – BulbAmerica
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