Models: M5 (counter), M10, M15, M20, M30 1) Digital indicator: Shows hardness of ice cream range from 1-10 2) Hard Ice Cream Machine cylinder capacity: 5L, 10L, 15L, 20L, 30L 3) Condenser of Hard Ice Cream Machine: Air or water 4) Power supply: 220/380 Volt, 1/3 PH, 50/60 HZ 5) Certificate: CE , ETL Standard Material & Components: 1) Compressor: Tecumseh from France or Bitzer from Germany 2) Expansion Valve: Danfoss from Denmark 3) Motor: Wan'nan Motor or Siemens Motor 4) Refrigerant: R404A 5) AISI 304 Stainless Steel Characteristics: 1. Hardness-control-system(HCS), 10 hardness parameter for any operator to make the same high-quality gelato. 2. Patent dasher with high performance and perfect extraction rate, easy to clean and replace. 3. Unique designed evaporator with gas finely dispersed to "Multipoint" around cylinder. 4. Two speeds, low for Italian gelato and high for high overrun ice cream. 5. Designed with safety devices to protect the operator and the machine from dangers. 6. Practical built-in water hose allowing easier and faster cleaning. 7. Automatic audible alarm signals when a process is done.