car fridge Diabetic insulin cool AC/DC/battery work 13 hours small, lightweight, fashional 2-8 'C, ... Portable Medicine fridge advantages:1. Portable and fashionable2. Support DC12V DC, AC110V~240V, 7.4V battery, Battery ensure more than 12 ... only in summer) Diabetic mini car fridge, 2~8'C, AC/DC/BATTERY