Display goods residual quantity capable of recording of the device provides the interior space for lift pit and, for supplying cooled air refrigerated or said cooling device is provided for the base and selectively open and shuts machine room positioned to be at the angle of is including a casing with cooling chamber; said cooling device to press the communicated with both compression spaces a number 1 number 1 compressor; compressor number 2 number 2 to press the communicated with both compression spaces; said number 1, 2 when discharged from a compressor is introduced inside the arrangement number 1, 2 a condenser communicated with both compression spaces; said discharged from a condenser communicated with both compression spaces number 1, 2 to receive a digital sound source that the intermediate fluid exchanges heat with circulating air supplied said refrigerated or an evaporator; said number 1 compressor and said condenser and said evaporator for moving planetary number 1 number 1 between a cover; and said number 2 compressor and between said condenser and said evaporator for moving planetary number 2 number 2 includes circulation line. The vertical by minuaturize the size of the device, showcase front can be supplies. In the device 5 the objective compound. performance of device. By in the device, safety articles in the during storage maintained at low temperatures, .real estate can be conserved as the.