... fridge Support AC110-240V,DC12V,Battery Only 540g, most portable in 2011 LCD display, show time and temp CE Dison 2-8 ... bussiness trip, or don't want to store insulin in a shared fridge in school, work place or home. 2-8'C ... insulin safe for 30 days under ambient 40'C4. Large LCD display screen, show the time and refrigeration temp clearly, interchangeable ...