Today only, Woot offers this Triangle Bulbs MR16 50-watt Equivalent Dimmable LED Flood Light Bulbs 6-Pack in Soft White (2700K, pictured) or Daylight (5000K) for $18.99 plus $5 for shipping. These 6.5-watt UL-certified bulbs feature GU10 bases, 500 lumens of brightness, and a purported 25,000-hour lifespan.