Hand wheel translation and quick opening structure, High quality stainless steel material. Microcomputer automatic control, arbitrary setting sterilization parameters. Safety interlocking device, Digital display and Touch buttons, Standard test interface, Self-expanding seal with drying function with automatic protection function: Over temperature protection; over pressure protection; low water level protection; anti dry burning with stainless steel bucket or basket. Buzzer reminder after sterilization, automatic stop 5s. Automatic discharge of cold air,automatic steam exhaust after sterilization.