Installation-free means that the hot water machine is warm at your fingertips and does not need a water pipe. The mini body is convenient to move and meets the needs of different scenes such as kitchen, bedroom, living room and office. As long as the water is installed and plugged in, you can enjoy warm and good water. The instant water machine can heat up the water in one second and produce it faster. If you want to drink hot water, you don't have to wait to boil the water and then dry the water. It only takes one second to produce hot water. From then on, complicated steps are omitted and drinking water is convenient and fast. 250ml of quantitative water is drunk once a day, 8 cups of water are drunk once a day, and 250ml water volume stop is specially set. The capacity of a pack of milk is suitable for common mugs and glass cups. It can also be stopped according to personal needs without overflowing cups or wasting them. The child lock protects the family from safe and secure use. Press for 2 seconds to unlock the child lock, and the lock will be activated automatically for 30 seconds after the water is used. There is no need to worry about the baby's mischievous press. At the same time, the child lock function can be canceled according to personal needs to meet your usage habits. The water tank is made of food contact AS material, which is safe and healthy. It adopts AS food contact material, which is commonly used in the manufacture of containers such as baby bottles, with high safety, durable fall resistance.