Using Wi-Fi, you can control each bulb of this 3 pk of 600-Lumen Smart Wi-Fi Bulbs with Dimmable Light from TP-Link--without a hub or additional hardware! Just open the Kasa app on your smartphone to manage the smart bulbs remotely, anytime and anywhere. Each has 600 lumens of brightness with dimmable white light, which can provide stable and customized lighting. It saves energy without sacrificing brightness or quality and lasts up to 13.7 years. Set schedules, save your light settings as different scenes and control smart bulbs individually or as a group. Thanks to Away Mode, these smart bulbs can make it look like someone is home by turning on and off at different times. Plus, for added convenience, you can use your voice to control the these bulbs when paired with Amazon Alexa!