The traditional control mode of electric kettle was invented by the British, and it has a history of nearly 15 years. China has the largest output, with an annual output of nearly 80 million units, most of which are exported to European and American countries. Because drinking fountains have many shortcomings, they are bulky and inconvenient to move. There are problems such as secondary pollution, and people begin to buy small and convenient electric kettles. The instant electric kettle was invented by our people, and our country has intellectual property rights. Its core component "no-gallbladder boiler" is a brand-new heating method. He abandoned the so-called steam switch invented by the British and completely surpassed it. The traditional electric kettle has the disadvantages of long waiting time (usually 4-5 minutes), loud noise and power consumption, while the thermoelectric kettle can boil cold water instantly (about 3-8 seconds) and burn as much as you want without wasting any energy and water.