... the set mode, the temperature can be set to box 2 at any temperature between 25 degrees Celsius.This product ... at least 4.5hrs. 2. Product FeaturesLightweight portablePocket-sized body, small fine, configuration lithium battery-powered systems, and vehicle ... more secure, more at ease.Standard configurationa cooler box, a group of lithium battery (4000mAh), a domestic adapter, power cord, product ...