... both 4. CE,EMC,LVD, ROHS, UL, PSE, ERP 5. CFC/HCFC-freePortable electronic cooling and warming box seriesWith advanced semi ... ambient temperature (25 degrees)Warming: 40-60 degreesThermoelectric, no compressor, CFC/HCFC FREE Option: AC power lineDC power lineUser manualRating labelExternal ...