Simply Conserve ENERGY STAR GU5.3 50-watt EQ 50-Watt EQ LED Mr16 Warm White G5.3 Base Dimmable Flood Light Bulb (100-Pack) in the Spot & Flood LED Light Bulbs department at Lowes.com
MR16 5W 12V LED Glass GU5.3 Light Bulb | Landscape Lighting Accessory | Sun Bright Lighting
Brightest LED Spotlight Bulb, 9 Watt MR16 GU5.3 LED Spot Light, 390 Lumens