Seven speed, positive push button, solid state control with SCR. 1 liter (32oz.) stainless steel or 1.2 liter (40oz.) heat resistant glass container with handle (2-piece cover).Stainless steel blades.Enameled die-cast zinc base (with chrome collar). Speeds from 3500 to 22000 RPM (free running).Overall height 16".For 120V, 50/60 Hz, 7 Amps- UL Listed.