ATTENTION THE VOLTAGE IS 220V AND THE PLUG IS EUROPEAN Quickly and easily install your smart lighting system: Plug it in and pair it via Bluetooth with the Hue Bluetooth app that allows you to control up to 10 devices, or get the Hue Bridge and discover all the functionalities that smart lighting offers you. Wake up to a gradient sunrise: Use the Signe gradient lamp as your personal alarm clock. Watch the beautiful colors of the morning sun slowly blend across the lamp. Design your home with light: Bathe the walls of your home in a mix of colorful light that matches any decoration style. Add a Hue Bridge (sold separately) to your smart lights to enjoy all the features of Philips Hue. With a Hue Bridge, you can add up to 50 smart lights to control throughout your home. Create routines to automate your entire smart home lighting setup. Control your lights while you're away from home or add accessories such as motion sensors and smart switches. Philips Hue works with Amazon Alexa and the Google Assistant in combination with a compatible Google Nest or Amazon Echo device. Control multiple lights in a room or just one lamp with simple voice commands.