Cooper Wiring 9591WS Aspire Wall Switch Hourly Timers, White SatinProgrammable time delay in 2 modes for preset time intervals or down to 1 minute increments. Operates Incandescent Halogen, Magnetic Low Voltage, Electronic Low Voltage, Fluorescent, Compact Fluorescent and LED lighting load types. For both new construction and retrofit with no neutral required for installation. LED indicates preset time selected and count down, indicates when the timer is about to turn off. Dimmed LED acts as a locator in the dark.