REQUIRES A HUE BRIDGE - Unlock the power of Hue and enjoy automations, control from anywhere in the world, and a secure, stable connection that won't drain your Wi-Fi. Use Matter to connect your smart home devices to your Hue smart lighting system. REQUIRES A HUE OUTDOOR POWER SUPPLY - Calla outdoor pathway light requires a power supply unit; sold separately. MILLIONS OF COLORS - Paint your outdoors with 16 million colors; unwind with warm to cool white light; illuminate any outdoor space with a wash of light DECORATE FOR THE HOLIDAYS - Use your Philips Hue lights to transform your outdoor area into a festive experience: bright reds and greens for Christmas, subtle pastels for spring, or even an eerie purple glow for Halloween. VOICE CONTROL - Convenient smart control; Set up voice control in the Hue app and use simple voice commands to control your lamps with Alexa or Google Assistant SET UP - Easy installation; plug-and-play solution involves minimal effort