· Accurate microprocessor controller to ensure consistent cabinet temperature

· Chemically stable, CFC-free, commercially available and environmentally safe refrigerant

· Embedded handle, easy for one man operation

· Visual and audible alarm system: High/low temperature, power failure, sensor error, door ajar, Thermostat failure

· Controller error protection: the cooling system will remember the normal working cycle and keep working depending on this memory when controller or two sensors failed

· Optional test hole, convenient for temperature monitoring

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