Look, Ma, no batteries. Switches use self-powered wireless technology to control electrical circuits.
Max-E series switches use self-powered wireless switch technology to control individual luminaires. Lights can be controlled by on/off or dimmed with wireless self-powered remote controls or rocker switches that do not require batteries. The switches can be installed anywhere on practically any surface and have a range of up to 150 feet. The factory-installed receiver arrives pre-programmed for the switch and can be easily field adjusted to provide multiple fixture control.
Lamar Lighting Co. Inc.