Four Liter mixing capacity, designed for high speed blending. Ergonomic design makes the base unit easier to lift, clean and control. Now with a new pulse mode. Speeds of 15,000, 18,000, and 22,800 in pulse mode. Stainless steel container with two handles, stainless steel blades, and stainless steel clamp-on lid with gasket and stopper. UL listed, for 110V, 60 Hz, 15 amps. Also available in 220 volt.