UV light disinfection PT1000 temperature sensor Efficient heating system, quick heating and rapid heating recovery long life highly reliable thermal conductivity CO2 sensor 'Auto-start' function can reset the CO2 sensor baseline without manual adjustments A new type of water reservoir replaces the standard water tray Independent over-temperature cutout Gas supply line filter Coved corners and quick clean shelves Multiple alarms indicate incorrect chamber conditions, inner and outer door closure faults, power failure, etc. Easy operation with soft-touch control panel