This item is provided by Crutchfield.com and includes free phone technical support for the life of the product. Details on how to take advantage of this service will be included with your package. Should you have any issues locating information on how to contact Crutchfield Technical Support, please contact this website's Customer Service department. A shade for every mood Sometimes when I'm light bulb shopping, I can't decide whether I want a warm or cool white light bulb. With this White Ambiance Bulb from Hue, you don't have to choose. This A21 model is a little bigger and a lot brighter than the more compact A19 Hue bulb, but it should still fit easily in most standard fixtures. Experiment to find your favorite shade of white, or choose from four preset Recipes - relax, read, concentrate, and energize - that change the color temperature based on your mood or task. The Hue app makes it easy to find just the right shade of white light. No Bridge required One of the only complaints I've heard about Philips Hue bulbs is that you have to have a separate Bridge to control them. Well - not anymore . This new bulb connects to your mobile device using Bluetooth. You can then use the Hue mobile app to control up to ten lights in one room of your home. Use your voice You can also control this bulb hands-free if you've got an Amazon Alexa or Google Home device. That means you can turn your light on or off, dim it, and recall your favorite presets just by asking. Add wall control Operating your lights with an app or your voice is fun, but you might find that some members of the household prefer a good old fashioned wall switch. If so, you can pick up a Hue dimmer to add a wall-controlled option to your Bluetooth-based system. Expand your system with a Bridge to do more If you want to do even more, you can add a Philips Hue Bridge (sold separately). Then, you can control up to 50 Hue devices - even when you're not at home. The Bridge also adds compatibility with other Hue accessories and voice control via Apple HomeKit and Microsoft Cortana. You can also set timers and create routines. And if you want to move from shades of white to your choice of 16 million colors, check out Hue's collection of White and Color Ambiance products. What's in the Box: 1. White ambiance A21 LED smart lightbulb (E26 screw base) 2. Quick Start Guide 3. Legal Manual