Jasco In-Wall Smart Dimmer (45712) The dimmer allows you to wirelessly schedule, control and adjust the brightness of any hard-wired, dimmable light in your home anywhere in the world, at any time of the day. Can be controlled in groups of multiple lights or turned on or off within ambient interior lighting scenes. Easily replace any standard in-wall switch with the JASCO z-wave controlled dimmer switch to turn Lighting on/off or adjust dim levels with your mobile device or computer using any z-wave certified gateway. Screw terminal installation provides improved space efficiency when replacing existing switches compared to flying leads. Neutral connection required for installation. Requires a Z-Wave certified gateway - Compatible with the following Z-Wave certified Hubs: Pulse, Trane, Wink, Alexa via Samsung SmartThings Hub, Nexia, Honeywell, HomeSeer, Smart Security, Harmony Home Hub Extender, Vera, Connect and Iris. ALEXA COMPATIBLE - REQUIRES AN ALEXA SUPPORTED HUB for voice control with Echo Products (Alexa device and hub sold separately). CANNOT connect directly with ECHO PLUS (Only ZigBee products can connect directly to Echo Plus).