The GE Cync Tunable White Smart Light Bulbs are great to get the perfect light for every time of day. From bright, vibrant light in the morning, to soft, white light in the afternoon, and a cozy amber glow at night, these bulbs support your sleep/wake cycle and every time in between. Get added confidence by scheduling your lights so you never coming home to a dark house. Each smart indoor light bulb is a dimmable bulb via the Cync App, powered by Savant, Alexa or the Google Home app, making it easy to dim the lights for any occasion. With the ability to control your lights away from home, these dimmable LED light bulbs provide the added convenience of controlling your lights while away on vacation. The smart WiFi light bulbs also allow voice control with Amazon Alexa and Google Assistant smart home devices when your hands are full. These WiFi smart bulbs connect directly to a 2.4 GHz WiFi connection, no additional hardware needed.