The electric knife you can work at temperatures 50?C to 200?C with the button. Electric carving wax knife is more efficient than other wax metal knives. It a significant advantage is the long use time. The LED visual control button makes the operating more conveniently. 2 circuits have been arranged, and they can operate at the same time. The working temperature can be kept even after power off. Two temperature way display (Fahrenheit Or Celsius temperature display).