Accucold brings advanced convenience to on-the-go vaccine refrigeration with the SPFZ25, a fully-featured portable freezer ideal for transporting sensitive materials while maintaining the integrity of the cold chain. This lightweight compressor-operated unit can be plugged into the 12V DC auxiliary power outlet/lighter socket inside any vehicle, as well as 24V sources. We also provide an AC adapter to allow the SPFZ25 to be plugged into a 110V electrical wall outlet. With a resilient blue plastic exterior and sturdy side handle, this unit is easy to carry for mobile applications, such as off-site vaccination clinics. The SPFZ25 is an freezer that can operate between -20 and -27ºC, ideal for many vaccines and other medications. A digital thermostat with an external LED thermometer display allows easy temperature control without requiring users to open the lid. The hammered aluminum interior can hold up to 26 liters. With a versatile design and superior construction, the SPFZ25 is ideal for applications that require easy transportation of cold items, such as collecting samples or administering vaccines at temporary locations. For a locking version of this unit, see the SPFZ25M. We also offer this model with a wide temperature range to run at standard refrigerator temperatures (see model SPRF26). NOTE: Accucold freezer are purpose-built to support meeting the current CDC (Centers for Disease Control) guidelines for the storage of vaccines. At this time. Accucold freezer have not been evaluated to the new NSF 456 standard. For additional temperature assurance, the CDC recommends a calibrated digital data logger (DDL), which can be added with the purchase of a DLSA11CAL accessory.