This 4-pack contains four Philips Hue White ambiance smart bulbs with a standard A60 shape and an E27 socket. The White ambiance series of Hue products have integrated dimming and adjustable white nuances than can be set to any shade of warm to cool white light. Your preferred shade and brightness level is easily adjusted with the Hue app, smart accessories or smart home assistants. With a maximum brightness of 810 lumen and ultra-low dimming capabilities all the way down to 0,2% brightness you can always customize your light to your needs with these bulbs in your luminaires. Try the preset scenes to get optimized light for your activities and use dynamic effects like the golden Candlelight settings to create a cozy ambiance. Add a Bridge to your setup to enable all the Hue systems features.