Provides capability for a zone on a GRAFIK Eye control unit (or other product) to dim a fully loaded circuit of lighting. May be used to control incandescent, electronic low-voltage, magnetic low-voltage, andneon/cold cathode lighting sources, as well as Lutron Tu-Wire fluorescent dimming ballasts. Automatically selects leading-edge or trailing edge dimming for low-voltage transformers. Provides power and dimming for one zone.