With the Model 45612 Z-Wave Dimmer Switch by GE you can replace any standard light switch and control it"s on/off and dimming functions with any Z-Wave remote controls. Turn off the lights at night with a push of a button, anywhere in your home. Z-Wave is a radio frequency, mesh network technology specifically designed for use in residential lighting control. Every Z-Wave enabled wall switch is capable of relaying commands and utilizes two-way communications to ensure reliable operation throughout the entire home. The open-air, line-of-sight transmission distance is up to 100-Feet between devices. Actual performance in a home will depend on the number of walls between the remote controller and the destination device, the type of construction and the number of devices installed in the system. The device"s ability to relay commands and acknowledge receipt od commands makes Z-Wave an ideal solution for automating and controlling lighting systems.