Otronics via Amazon offers the Otronics 6.5-watt (50-watt Equivalent) Dimmable LED Spotlight Bulb 6-Pack in Daylight or Cool White for $21.90. Coupon code "L69ZBKFJ" drops it to $14.99. With free shipping for Prime members, that's a buck under the best price we could find for a similar 6-pack. These bulbs features a GU10 base. Deal ends December 1.