Enerwave ZWN-RSM2-PLUS Z-Wave Plus Switch Module, Dual Relay, Smart Hidden Switch, NEUTRAL WIRE REQUIRED, Black "Next Gen" Z-wave PLUS Upgrades existing wall switch into a Z-Wave switch so you can still keep the original switch and wall plate Wirelessly Switch your Devices (Lights, Fans) ON / OFF from Smart Phone Applications, Any Web Browser from Any PC or Mac, or Internet Connected Tablet The ON / OFF Control of the Connected Load can be Programmed into Z-Wave Scenes, with Dynamic Scheduling and Events from Anywhere Z-Wave hub required. Utilizes 5th Generation 500 Series hardware platform, 67% improvement in range, Faster & Easier Install and Set up, Additional RF channels, fully backwards compatible with existing z-wave products NEUTRAL WIRE REQUIRED! Not compatible with security panels such as Honeywell Panel, NORTEK (2GIG) Security and Control Panel