The Thermo Scientific UGL2320A19 is a -20 degrees Celsius freezer with a capacity of 23.3 cubic feet (659L). This freezer boasts an extra-strength compressor for refrigeration on the industrial, clinical, and scientific scale. This industrial quality cabinet is controlled by a microprocessor system and features gravity air circulation. The audible/visual warnings alert users of over/under temperature and power failure. The LCD screen displays status reports on critical functions and displays the temperature within 0.1 degrees Celsius.