Enerwave ZW3K-LA 3 Way Z Wave Auxillary Switch Addon to Enerwave Z-Wave Switches and Z-Wave Dimmers Wireless Home Automation, 120VAC 60Hz, NEUTRAL WIRING REQUIRED, Light Almond Ideal Z-wave device to work with on/off switch (ZW15S) and dimmer switch (ZW500D) controlling one lo Manual On/Off & Dim control of any connected load through traveler wire. Reduces energy consumption and provides more convenience to you and your family. *NOTE* You must use ZW3K with ZW15S or ZW500D together which means you CANNOT use it alone as a **NEUTRAL WIRING REQUIRED** Specifications: 120VAC, 60Hz. Wiring Required: Neutral, Traveler