MXBAOHENG Portable Insulin Refrigerator Cooler Drug Reefer Small Fridge Inner Size 175&times;60&times;25MM with 10400mAh Battery (Model A) This product has a variety of power supply (household power adopter, automotive power adopter, lithium batteries). Celsius temperature and Fahrenheit temperature conversion, it suits many situations and is a best choice for home or travel. Lightweight portable, pocket-sized body, small fine, configuration lithium battery-powered systems. Product applications: family, cars, long-distance truck or bus. Refrigerated drugs: insulin, interferons, growth hormones, vaccines, eye drops and so on. Fridge Capacity:175*60*26mm Refrigeration Temperature:2-8C External Battery Capacity:20000mAH Internal Battery Capacity:10400mAH3.7V Power Adapter:DC5V Product applications: family, cars, long-distance truck or bus. Refrigerated drugs: insulin, interferons, growth hormones, vaccines, eye drops and so on. 1* Insulin Cooler 1*Built-in battery 1*External battery 1*Car charger 1*Charger 1*Ice bag 1* English manual