... insulin whenever and wherever, so dison insulin cool case is a very sweet gift for diabetic friends whom have traveling, outdoor activities ... mini fridge features as below1. Portable and fashionable2. Many ways for power supply: 12V DC vehicle, 110V~240V AC, 7.4V ... 'C while ambient temp is 25'C, keep insulin safe for 30 days under ambient 40'C4. Large LCD display screen ...