Amazon has the Philips Hue White Ambiance Dimmable LED Smart Bulb for $24.99 (regularly $29.99) with Free Shipping for a limited time.

The smart bulb expands your Philips Hue system and allows you to decorate your home with 50 thousand shades of white, from warm to cool white. Use Philips Hue throughout your day whether you are getting up in the morning or looking to unwind at night.