With European & American compressors and famous Japanese manufacturer accessories. The machine is quiet and noiseless, saving electricity and durable. Equipped with precise electronic temperature controller, water temperature can be accurately controlled between 3 - 50 degrees. With open stainless steel cylinder, easy to clean and maintain. It is equipped with current overload protection, high and low voltage, electronic time delay and other safety devices. When a fault occurs, the machine will alarm in time and show the cause of the fault.