CRM3533 Espresso Coffee Machine Unique design, the machine was designed by our company. Three group heads; Materials: Concrete, The outer shell is a single piece Left/Middle/Right coffee maker group head, Possibility to change the temperature and extraction time for each group separately Manual/Automatic stop for single and double coffee; Inlet pipe for connecting tap water and drain pipes for direct water drainage; Two steam pipes, each on the left and right, flow rate, 2 bar; Two hot water pipes for the middle and right head; Ceramic portafilter; Two 550ml stainless steel boilers for making coffee boiler; 10.5 liter boiler for steam and 5.25 liter boiler for hot water. 220V / 50Hz / 7500W The machine consists of the first group which can be operated independently. The second group consists of two groups separate from the first group to save energy and extend the device's lifespan. Italian equipment, assembled in China factories. There is a manual in English. Espresso Coffee Machine Instruction Manual Item CRM3202 Power 220V, 50Hz