Stepless micrometrical grind adjustment. High production temper steel 58mm flat burrs. 650 Watt Motor. Small Hopper capacity: .66 lb. Time per dose: 4.8 sec = 14 grams. Three position power switch (Automatic, Manual, Off) LCD touch screen operation. Adjustable portafilter holder. Dimensions: 6.25" W x 15" D x 16.5" H.