The WT00Z5-1 Wall Mount Accessory Dimmer Switch allows remote ON/OFF control and dimming of lights controlled by associated Z-Wave modules, creating virtual 3-Way switches. The WT00Z5-1 controls no load directly, so it can be wired anywhere power is available, without the need for a traveler wire. Replaceable Trim Ring The WT00Z5-1 3-Way Wall Mount Accessory Dimmer/Switch has a field replaceable trim ring - the color of the device can be altered with the Trim Ring Kit model in black, brown and almond. Features: Signal (Frequency): 908.42 MHz Load: does not directly control a load, another Z-Wave device is required Range: Up to 100' line of sight between the controller and/or the closest Z-Wave device Network wide inclusion Connect up to 5 devices to create virtual 3,4,5,6,7-way operation Requires Minimote Security beaming.