The NuTone NWD500Z Wall Mount Dimmer allows remote ON/OFF control and dimming of connected lights. The dimmer switch is easily wired in place of a standard wall dimmer, and requires a Neutral connection. The NWD500Z Wall Mount Dimmer 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. Requires Z-Wave compatible gateway (sold separately). Range: Up to 100 feet between wireless gateway and/or the closest Z-Wave device. NuTone' s family of Z-Wave certified wireless lighting, security and control products bring a new level of intelligent wire-free capability to commercial and residential environments. The Z-Wave wireless protocol is an international wireless standard for remote home automation, security and other applications. Embedded in each device, the Z-Wave smart chip enables two-way RF communication among hundreds of Z-Wave enabled devices, allowing products and services from multiple manufacturers to work seamlessly. NuTone Z-Wave products are easy to install, and allow dealers to create an integrated wireless network with nearly limitless expansion and interoperability with security and health monitoring systems, energy management, home entertainment, appliances, and more. Home and business owners gain a host of wireless lifestyle advantages, including convenience, affordability, compatibility with building automation systems, ease of use, high reliability and scene capable. All products operate at the standard 908.42 MHz frequency, supporting network wide inclusion and are security system compatible. All NuTone Z-Wave products integrate with other NuTone Z-Wave enabled products, and can also act as a wireless repeater to ensure that commands intended for another device in the network are received (useful when a device would otherwise be out of radio range).