Dimmer for incandescent lamps, 230 V halogen lamps and all types of low-voltage halogen lamps. Automatic selection of the dimming principle. Control via an NO push button, control without voltage, 0-10 V control, 1-10 V current control or directly on the device. Up to 30 NO push buttons in parallel. Use with or without memory function. Additional memory for saving one atmosphere via push-button control. Indication LEDs for the operation and feedback on errors. In compliance with the European directives for EMC and safety EN60669-2-1.