Casing: plastic Pump:15bar local china pump Boiler: single aluminium boiler Temp. Control: ntc control system Powder dosage adjustment: mmanually, 5 grades (7-9g) Powder fine adjustment: manually, 7 grades Powder bypass system:available Coffee dosage adjustment:20 to 230ml; can be memorized automatically Water tank capacity: circa 1.8l. 325pcs/20gp, 700pcs/40hq.