Cappuccino system means it mixes steam, air and milk producing a rich creamy forth 2 separate thermostats to control water and steam temperatures Self priming system means is always ready for use Anti drip system. Pump pressure (bar):15 Rated voltage/Frequency (Voltage to Hertz): 220 to 240 Voltage by 50 to 60 Hertz Maximum cup height (cm): 7.7 If water is coming from the tank, please ask the consumer to make sure the tank is properly engaged in the back of the machine.