The CEWHR-100PE6 Wall Hung Electric Water Heater comes with an Adaptive Energy Saving System (AES) that will help you lessen your electricity bill.SPECIFICATIONS• Storage Capacity: 26.4 gal (100L)• Wattage: 3 (kW)• Voltage: 220 (v)• Length: 102.87 (cm)• Diameter: 46.48 (cm)• Weight: 33 (kg)**Installation fee not included.