... 13 hours small, lightweight, fashional 2-8 'C, antifreeze, LCD display Dison diabetes product portable fridgeis lightweight and small, support battery ... 240V and DC12V, all these functions afford a convenient way for carrying insulin whenever and wherever, so dison insulin cool ... power.3. Many ways for power supply: 12V DC vehicle, 110V~240V AC, 7.4V battery,4. Large LCD display screen, show the time ...