VimarEikon Master Dimmer, 120-230V, Illuminable Supply voltage 120-230V / 50-60 Hz for 40-500/40-800W incandescent lamps and 40-300/40-500VA ferromagnetic transformers, control and regulation with built-in, or from peripheral NO push buttons, Master function, TRIAC technology, LED pilot indicator for dimmer status. Push button is etched with a glow in the dark universal dimmer symbol. Available Models VM20148VM20148.NVM20148.B