Home Depot offers the TCP 35W Equivalent Bright White MR16 Dimmable LED Spot Light Bulb 3-Pack, model no. RLMR16712V30K3, for $29.99. Opt for in-store pickup to avoid the $5.99 shipping fee. That's the lowest total price we could find for this quantity by $24. This 7-watt spot light bulb has an actual color temperature of 3,000K and purportedly uses 85% less energy than a traditional 35-Watt halogen bulb.