This Philips Hue White ambiance E26 smart retrofit LED 4-inch downlight 1-pack for recessed cans offers warm-to-cool white light to transform your home decor and the way you feel. This 10W smart downlight features Bluetooth capability for instant light control in one room and offers up to 850 lumens of brightness. Bluetooth makes it easy to get started with Philips Hue. Simply screw in the bulb download the Hue app and start enjoying the convenience of smart lighting immediately. Dim, brighten, and set the mood right out of the box. With Bluetooth you can control up to 10 lights in a single room. It's easy to have the right light for routines throughout the day with Hue light scenes. Or create the ultimate mood lighting with dynamic light effects that show subtle changes in tone or brightness that you can customize in the app. Looking for smart recessed downlights that work with Alexa and Google Assistant? It's easy to set up voice control with the Hue app and use simple voice commands to control your lights. Whether you need smart LED lights for bedrooms, your living room, or kitchens, Hue complements your room decor while offering the convenience of smart control. Already have a Bridge or want to get more from your Hue system? Connect them to a Hue Bridge (sold separately) to unlock the full power of Philips Hue, including the ability to control up to 50 lights and accessories, automations, and smart control from anywhere in the world.