... 2-8 'C, antifreeze, low consumption CE,ROHS Portable Insulin Travel Caseis lightweight and small, support battery power systerm as well ... shared fridge in school, work place or home.Portable Insulin Travel CaseFeatures1. Portable and fashionable2. Many ways for power supply: 12V ... or household power.3. 2~8'C while ambient temp is under 25'C, keep insulin safe for 30 days under ...