This product appearance is so nice and the fundction is very wide. We strongly recommend this type machine, because its boiler capacity is 12.8L, it is the highest as two head semi-auto coffee machine. We have professional engineers use Italy techique to manufacture it. Fine quality as well as low price we can provide for you.Also, we can OEM for you. The parameter as belows: ESPRESSO-2G Spec: Power Supply: 110V/220V-50/60Hz Power:3600W Boiler Capacity:12.8L Volume(L*W*H): 735*475*515(mm) Net Weight:65KG Function: Automatic water inflow Single Pressure meter Automatic water-level Induction Stainless steel boiler Automatic set water capacity Strong double steam system