High-quality stainless steel liner, sealed cover Microcomputer control safety interlock device BD test, HELIX test, vacuum test LED LCD display, touch buttons Equipped with standard test interface Open top water tank European class B standard Automatic protection function: over-temperature protection; over-pressure protection; low water level protection, anti-dry heating; safety door lock Triple Pulse Vacuum Buzzer reminder at the end of sterilization, automatic shutdown Automatic discharge of cold air, automatic discharge of steam after sterilization Built-in steam generator, quickly provide saturated steam