Zumex MULTIFRUIT 4500 RPM Automatic Centrifugal JuicerMaximum Power Latest brushless generation engine. Speed control system: it maintains a constant speed providing more power when necessary. Speed selector: 2 speeds to adapt the power to the hardness of the fruit and vegetables. Maximum performance with its 3500 rpm and 4500 rpm. Very silent (less than 70 dB) and stable, thanks to its Silent Block antivibration system. Maximum Performance Position 0: permits saving energy, by putting the juicer on