Features Hand wheel translation and quick opening structure Three times pre-vacuum High quality stainless steel material Microcomputer automatic control, arbitrary setting sterilization parameters Safety interlocking device LED touch screen display Standard test interface Self-expanding seal With drying function With automatic protection function:over temperature protection; over pressure self discharge protection ; low water level protection; anti dry burning. With stainless steel bucket or basket Buzzer reminder after sterilization, automatic stop Automatic discharge of cold air, automatic steam exhaust after sterilization Built-in printer USB function