Easy to use, stainless steel does not need to be heated, plastic is safe, although it is not as fast as the open flame of the stove, but it does not need to add a lot of water and is durable, and even if it is burned dry, the power will be cut off. It can be scheduled to automatically heat in the morning, saving effort and no need to worry about it. The setting is very simple, and the elderly can also use it