LIFX Smart LED Light Bulb, Wi-Fi, White 900 BR30, Dimmable, Works with Alexa Works with Amazon Alexa to support dimming through voice control (Alexa device sold separately) LIFX White 900 BR30, Refer the setup video and firmware update video System Requirements : To run LIFX it is essential to have : A device running IOS8.0+ or Android4.0+ or Windows 10 Easy to set up; Built-in Wi-Fi no hub Adjustable over 1000 whites Bright equivalent to 65W bulb