Rated voltage:220-240V Rated frequency:50/60Hz Type of electricity-shock-proof: I Cooling power:90W Cold water temperature:6-10-degree Heating power:550W Hot water temperature:90-95-degree Capacity of making hot water:5L/H stainless steel 304 stretched 3.2L cold tank. Stainless steel 304 1.0L hot tank. Stainless pipe connection. Compressor supply powerful cooling water. 0.5mm steel side panel makes it hard and steady