Cool down to minus 86 Celcius /-123 °F: ultra low-temperature freezer with dual door gaskets and high-density polyurethane foam layer insulation prevent loss of cooling, excellent thermal insulation performance. Freezer self-repeating refrigeration system design make a stable and reliable performance. Microcomputer control system accurate to 0.1: Electronic temperature control, LED digital display, can accurately display the temperature inside Low-Temperature Freezer.Labfeng lab refrigerator provide precise and accurate temperature control. Power compressor: Ultra Low-Temperature Freezer body is welded with a galvanized spraying board, durable. Full copper tube evaporator refrigeration, pressure, and corrosion resistance. Intelligent temperature alarm system: Can set your own maximum and minimum temperature,out of this temperature range , the Ultra Low-Temperature Freezer will produce a buzzer as well as a flashing alarm on the display. Free replacement par