*Brand compressor, super refrigeration. *Efficiency evaporator to prevent leakage. *Silent reducer with finely ground steel gears. *The 4.5L hopper is made of 304 food grade stainless steel. *All-copper tube double-inlet single outlet condenser, faster heat dissipation and faster cooling. *Low noise design of worm gear reducer, can produce 4-6 ice creams at a time