Best Buy via eBay offers the Philips Hue Lux 60-Watt-Equivalent WiFi Dimmable LED Light Bulb, model no. 433714, for $14.99. Opt for in-store pickup to avoid the $2.99 shipping fee. That's the lowest price we could find by $5. This light bulb can be controlled via an Android or iOS app and works with A19 fittings.