... work 13 hours small, lightweight, fashional 2-8 'C, antifreeze, LCD display Dison diabetes product portable fridgeis lightweight and small, support ... DC vehicle, 110V~240V AC, 7.4V battery,4. Large LCD display screen, show the time and refrigeration temp clearly, interchangeable ... 'C and 'F5. Antifreeze function, automatic operate heating while air temp below 0 Celsius, heating up to 12 'C at -10 'C ...