This Philips Hue White and Color Ambiance 75W A19 starter kit has everything you need. Get the ambiance you want with four 75W A19 Hue smart bulbs and one Hue Bridge. The Bridge is the heart of the Hue smart lighting system and unlocks the full power of Philips Hue, including the ability to control up to 50 lights and accessories, control multiple rooms and zones, set custom automations, and have smart control from anywhere in the world. It's easy to transform your home decor and the way you feel with millions of shades of warm-to-cool white and color changing light. They can dim, brighten, and set the mood for any moment from birthday celebrations to morning meditation. 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 color or brightness that you can customize in the app. Whether you need smart LED lights for bedrooms, your living room, or even kids rooms, Hue complements your room decor while offering the convenience of smart control.