50 Hz or 120 Vac. 60Hz on request Absorbed power: 1,7 KW Selections: 9 selections.with 2 sugar sekections Payment systems options: 12 VAC or 24 VAC coin acceptors Executive / MDB (optional kit) Pag. 2 Pag. 31 Pag. 30 GRINDER You can adjust the quantity of ground coffee through a screw (2); the more you unscrew it, the more the quantity increases. If you want to adjust the grinding degree, first you have to push the catch (6), then you have to screw clockwise the grind-stone holder (1)