This smart cool bag can both cool and heat. Cools approx. 18-20 °C below ambient temperature and can heat up to a maximum of 65 °C. It has a silent fan and a practical hatch in the lid for quick and easy access without having to open the entire lid. The box has a removable wall/divider and can store upright PET bottles. Side handles makes it easy to move around. Powered by 12 V. AC Adapter included!