Enerwave ZWN-RSM1-PLUS Z-Wave Relay, Z-Wave Plus Micro Switch, Smart Hidden Switch Wireless Remote Control to Lights and Ceiling Fans, Neutral Wire Required, Black Z-Wave micro switch installs behind an existing wall switch to upgrade it into a Z-Wave switch. Upgrade home automation system while keeping your original switches Wirelessly control your appliances (lights, fans) from an internet-connected smartphone, tablet, or computer. Program Z-Wave relay switch in scenes, groups, and associations. Dynamic scheduling and events from anywhere Utilizes Z-Wave Plus featuring improved wireless range, increased bandwidth, additional RF channels; backward compatible with existing Z-Wave devices; connects to smart home network via Z-Wave Plus or classic hub such as VeraEdge, VeraPlus, Vera3, SmartThings, Homeseer, Wink, Fibaro Home Center 2 Acts as a Z-Wave repeater to extend the range of Z-Wave signal up to 100ft; the switch will still work if the module fails Z-Wave hub and neutral wire required. Single Pole, 120-277 VAC, 50/60Hz, Up to 150ft Range, 10,000mA (10A) Maximum Load, 908.42MHz, Slim Design - Dimensions: 1.63" x 1.63" x 0.82"