... Max cooling:-18 degrees -Environmental refrigerant R134a -refrigerated and frozen Solar freezer-Connect with AC power source through an AC/ ... with DC power directly, e.g. solar power source -There are refrigerated and frozen available-Can freely switch between AC ... AC/DC adaptor,cover bag, basket-solar system parameter: solar panel(160W), battery(120AH), controller(12V/12.5AH)-Automatic selection DC12V ...