Amazon Alexa (Hue Hub Required) VOICE CONTROL: The Philips Hue White Smart Bulb works with Amazon Alexa to support dimming through voice control. For the full Hue experience and to take advantage of voice activation purchase the Philips Hue Hub (Model: 458471). Search "Philips Hue Hub" or "B016H0QZ7I" to find this product on Amazon. SCHEDULE YOUR OWN CUSTOM LIGHTING SCENES: Philips Hue can make it seem like you're home when you're not, using the schedule function in the Philips Hue app. Set the smart bulbs to come on at a pre-set time, so the lights are on when you arrive home. You can even set rooms to light up at different times. And of course, you can let the smart lights turn off gradually in the night, so you never have to worry whether you've left any lights on. This is the perfect way to personalize your smart home. EASY INSTALLATION: To install, simply screw the smart bulbs into your desired light location, download the Hue mobile app and pair your Hue Hub (sold separately). Control smart-bulb-equipped lamps and overhead lights via the Philips Hue App EXPAND YOUR ECOSYTEM: Connect the smart bulb directly to your other Smart Home Devices like Amazon Echo Plus, Nest, or SmartThings systems. Easily expand your smart lighting system with hue accessories (sold separately), such as a Hue Dimmer Switch, Hue Tap, or Hue Motion Sensor