Philips Hue White and Color Ambiance 2nd Generation Smart Bulb Starter Kit (Older Model 3 A19 Bulbs and 1 Hub Works with Alexa Apple HomeKit and Google Assistant) Works with Alexa for voice control (hub required and included, Alexa device sold separately). Choose between millions of colors and shades of white light to light your home, wirelessly control with your smartphone or tablet, and sync your light immersively to music, games, and movies Connect the Hue Bridge with three bulbs that fit standard-size table lamps. Grow your system with support for up to 50 lights Install the LED lights as you would install ordinary bulbs and pair them with the Hue Bridge, which allows you to control smart-bulb-equipped lamps and overhead lights via the Philips Hue App Easily expand your lighting system with up to 12 accessories per system (sold separately), such as a Hue Tap or Hue Motion Sensor. Pair it for automation with your existing Nest or SmartThings system