Specifications:1 - works immediately when opening the tap and turn off automatically when closed.2 - heating capacity of 7000 watts divided into two internal heaters: the first 3000 watts and the second 4000 watts, enough to use in the kitchen and bathroom together.3 - gives hot water immediate and continuous at 48 degrees Celsius.4 - working on the normal meter (Singel beat) 220 volts 50/60 Hz.5 - works on very low water pressure up to 0.1 bar, so it can be used in the upper roles that suffer from low water pressure.6 - It has 5 internal safety units, the first unit to protect against the sudden surge - the second unit to protect against the temperature rise of 65 ° C and the third unit to regulate the flow of water inside the device for protection when installed near water lifting motors.7 - does not cause ionization of water or the accumulation of rust and sediment and thus prevents the bombing of hair.