Feature: Voltage: 220V Power: 2500W Automatic power-off Constant temperatureSupports set temperature; maximum temperature is 99°C, minimum temperature must be 5°C greater than current water temperature It is recommended not to heat the product to 99°C. 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" and "-", then press "set" to enter the temperature setting page, set the temperature by "and" 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