Philips 20-Watt MR16 Halogen 12-Volt Flood Light Bulb 419317 - The Home Depot
LUXRITE 50-Watt Halogen Equivalent MR16 Dimmable GU10 Base LED Light Bulbs Enclosed Fixture Rated 4000K Cool White (16-Pack) LR21502-16PK - The Home Depot
2 Pack Outdoor LED Flood Light Bulb, PAR38, 3000lm, 25W(300 Watt Equivalent), Replacement for Halogen Flood Spot Light, Waterproof, Dimmable, 5000K Daylight, E26 Base - Walmart.com
GU10 LED Replacement Light Bulbs, 3 Watt LED Spot Light, Replace 20 Watt Halogen Bulbs