Leviton VRCZ1-1LZ Vizia RF + 1-Button Zone Dimming Controller/Virtual Dimming Remote Switch, White/Ivory/Light Almond, Works with Alexa,Leviton,VRCZ1-1LZ" /> Works with Alexa for voice control (hub required, Alexa device and hub sold separately). Virtual 3-way and multi-location remote dimming of Vizia RF + dimmers (sold separately) without the need for traditional 3-way wiring or a dedicated traveler wire Provides remote ON/OFF/DIM/BRIGHT control of one Vizia RF + Dimmer Horizontal DIM/BRIGHT bar 7-step horizontal green LED display mimics main dimmer's selected brightness level and preset level when device is OFF Requires the Vizia RF + Handheld Remote - VRCPG for programming and control of the Vizia RF + System (sold separately)