This product quickly syncs with the free 'Philips Hue' app. Just screw in your new bulb and connect it via Bluetooth to the Philips Hue App and enjoy smart lighting in the space you want. Designed for smaller spaces: with a brightness of 800 lumens, these LED bulbs provide the perfect level of light for reading on the couch, listening to music, or simply relaxing in the bedroom. Set the right mood with soft white light: Hue bulbs and lighting accessories use soft white light. Adjust the light from bright day to low night lights, these smart lights allow you to fill your home with the right level of warm light for the moment you want. Control the lights with your voice. Works with all Echo smart speakers/screens for hands-free voice control (Philips Hue Bridge required (sold separately) for Echo 1st Gen and Echo Dot 1st). Add a Hue Bridge (sold separately) to your smart lights to enjoy all the features of Philips Hue. With a Hue Bridge, you can add up to 50 smart lights to control them in your home. Create routines to automate all the lighting settings in your smart home. Control the lights while you're away from home or add accessories such as motion sensors and smart switches. Dimensions: Width 15.5 cm, Height 15.5 cm, Length 19.3 cm, Weight 0.11 kg