... prefered4.softfoam or nylon brush,washes genty without wearing5.Frequency control at the travel and lift drives for a careful smooth ... .Precise control, contour-tracking washing and drying7.Optional 5 brushes,3 brushes, drying blowers, under chassis washing systems,shampoo system, wax system and ... /carPower supply& consumption380v,50hz,3ph,17.68kwCompressor air supply5-8bar automatic car washing system