Philips Halogen Light Bulbs / Landscape Indoor or Outdoor Flood / Dimmable 50w Mr16 12v 2 Pin 36 Angle Gu5.3 Base (Pack of 5) - Amazon.com
Feit Electric 50W Equivalent MR16 GU5.3 Bi-Pin Dimmable 12-Volt Track Lighting 90+ CRI LED Flood Light Bulb, Bright White (144-Pack) EXN/930CA/6/24 - The Home Depot