... comsuption- Low noise and pollution. Stable voltage and frequency- Alternator with brush and automatioc voltage regulator(AVR). Brushless is also for your option ... .5DC.Output12V/8.3APower Factor(cosφ)1.0Adjusting VoltageBrush,AVRRated Voltage(V)110.120,220,230,240,110/220,115/230 ...