Feature: Voltage: 220V Power: 2500W Automatic power-off Constant temperatureSupports set temperature; maximum temperature is 99C, minimum temperature must be 5C greater than current water temperature It is recommended not to heat the product to 99C. The product's power cord will then also be unable to dissipate heat in the hot water, leading to easy ageing damage. Note: The voltage of the heater is divided into 220V The power of the 220V heater is 2500W, and the plugs have UK plug Operation method: After power-on, the screen displays 000, set the heating time by "+" and "-", then press "set" to enter the temperature setting page, set the temperature by "+" and "-", press "Set" to confirm, if you do not need to set the heating time, press "Set" for 3 times after power-on, you can enter the temperature setting page