... 1.Insulin carrying case 2.4000+12,000mAh lithium battery 3.Dual termperature LCD display 4.One key operation ... Insulin carrying case in 2-8'C AC/DC/li-battery,comes with 16.5hours long leading time lithium ... , dual temperature real-time display; refrigeration, freezing, fans, battery power, temperature control status at a glance. Specification of Insulin ... Insulin carrying case in 2-8'C AC/DC/li-battery