2.Top part can be removed,it is very easy to maintance 3.Element is not soaked in the water, but fixed from the bottom,it is touch heating style, so the element won’t be corodded by the water. 4.All stainless steel body longer the equipment service time 5.It can keep verious kind food with warm,especially for soup 6.Variable auto temperature control 7.A good sealing structure, can save more energy