WHAT’S IN THE BOX - Includes one White Ambiance smart retrofit LED 5/6” downlight for recessed cans; Determine the right size of your downlight before purchasing it; Philips Hue 4" downlight (B0B6LP1FF8) is available for purchase separately. UNLOCK THE FULL POWER OF HUE - Add a Hue Bridge to 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. SHADES OF WHITE - Choose from shades of warm-to-cool white light to enhance your room décor and ambiance; cool white light to focus or energize, warm white light to relax. UPGRADE YOUR DOWNLIGHTS - For use with recessed can lighting with E26 or medium-base sockets; Perfect for upgrading existing downlights to smart VOICE CONTROL - Convenient smart control; Set up voice control in the Hue app and use simple voice commands to control your lights with Alexa or Google Assistant ENJOY PRESET SCENES - Start your day with Energize, unwind with Relax, focus while working from home with Concentrate, or pick up a book with Read.