Leviton VRF01-1LZ Vizia RF + 1.5A Scene Capable Quiet Fan Speed Control, White/Ivory/Light Almond, Works with Alexa,Leviton,VRF01-1LZ" /> Works with Alexa for voice control (hub required, Alexa device and hub sold separately). Z-Wave radio frequency technology and compatibility with Levitons Decora products Offers one-touch control of lights and appliances, dramatic scene transitions, timed events Vizia + style push pad blends seamlessly with other devices in the Vizia + family Preset On Level option sets the fan speed when the device is turned on, regardless of the previous setting Off-Low-Medium-High speed settings