... 2-8 'C, antifreeze,LCD display Dison Diabetic mini car fridge is lightweight and small, support battery power ... ambient 40'C4. Large LCD display, show the time and refrigeration temp clearly, interchangeable between 'C ... 220V/DC9.0VOutput current (adapter)2AInput/output voltage (car power)DC12V/DC9.0VCurrent (vehicle power )2AVoltage ( ... not only in summer) Diabetic mini car fridge, 2~8'C, AC/DC/BATTERY