Automatically grinds . doses & tamps the required amount of coffee for mess free . barista-quality espressoProgrammable hands-free milk texturing with automatic purge.Water tank capacity-84 ounceDual stainless steel boilers & dual Italian pumps with PID; Boilers can be descaled by userOne Touch Americano delivers water directly into the cup after extraction; 3 preset & 6 customizable settingsProgrammable shot temperature from 190 Degree-205 Degree. Displays in either Degree F or Degree CJust like the best commercial machines . the Oracle gradually increases water pressure at the start of the extraction to gently expand grinds before applying higher pressure.Without this gradual increase in water pressure . ‘Channelling’ or ‘Drilling’ can occur. This means water will pass between the tamped coffee and the wall of the basket or ‘drill’ through the centre of the coffee and not the perimeter. This results in bitter . over extracted flavours dominating the cup as excess water passes through the ‘channel’ and not evenly through the entire coffee puck.