Enerwave ZW500DM Z-Wave Dimmer Switch, With Smart Meter for Monitoring Energy Usage, Wireless Home Automation In-Wall Dimmer Switch, 120VAC 60Hz, Neutral Wiring Required, White The Enerwave ZW500DM is an In-Wall Z-Wave Dimmer Switch Designed for Manually or Remotely Controlling Connected Dimmable Lighting Fixtures. The Switch has a Blue LED Light at the Base of the Switch Which Indicates the Location of the Switch When the Connected Light(s) are off. This Wireless Home Automation Dimmer Switch can be Controlled Manually or Remotely from any Smart Phone, Tablet, PC or Mac via the Web Browser or Native Application, Depending on your Z-Wave Hub/Controller. It also is able to Monitor Usage via a Built In Smart Meter Which Tells you how Much Energy Your Device and Lights are Using. This Z-Wave Dimmer Switch also has a Preset Light Level Option Which Allows the User to Turn the Lights on to the Light Level that it was Previously Set to When It Was Last Turned Off. On the Base of the Dimmer Switch is an Air-Gap Switch, Which Meets UL Requirements, that Allows the User To Fully Disconnect Power from the Connected Load. Fully Compatible with Incandescent and Mainstream Dimmable LED Lights, Such as Phillips, GE, Cree, etc... This Dimmer Switch Can be Programmed into Z-Wave Scenes with Other Z-Wave Enabled Devices with Dynamic Scheduling and Events That are Programmable From Anywhere. The Switch Also Acts as a Z-Wave Signal Repeater Which Extends the Range of your Z-Wave Network up to 100 square feet. Neutral Wiring is REQUIRED for This Unit to Function. This Device Can Be Used for a Single Pole (Single Location Dimmer Switch) Application or in a 3-Way (Multi-Location) Setup with the ZW3K Auxillary Switch (Sold Separately). The Package Includes Two Wall Plates. A Child-Safe Screwless Wall Plate and a Standard Decorator Wall Plate (Screws Included).