System for handling medical packages, in which each individual package is provided with at least one unique identity code and other relevant information comprising at least one specification about the packaged product content and packaging date , whereby the system comprises: • at least one tracking device which is arranged to accompany the package with said specific product content over a period of time, which extends from the entry of said package in the system to a possible decision on administration of that specific product content to an intended recipient, whereby the tracking device includes an integrated data logger, which is arranged to record logged data and time during said period of time about at least one environmental parameter that affects lifetime of said specific product content , at least one means for reading said unique identity code , the tracking device includes a calculation function, which based on the logged data and time calculates a value for said remaining lifetime, the tracking device comprises: • an integrated indication device , which is arranged to indicate, at least about the specific product content , remaining lifetime, • a communication device for receiving a signal to activate indication of any remaining lifetime with said indication device , the tracking device has a unique device identity that is readable and in the system associated to said unique identity code and said other relevant information on said package , to ensure that data relating to the specific product content , both input data and data generated by the data logger of the tracking device or by additional devices in the system, can be handled and transferred between said system units, and whereby the system comprises at least one means for reading said unique device identity of the tracking device , characterized in that the tracking device comprises a fluid-tight casing, and that the components of the tracking device are designed and made of materials that allow cleaning in a conventional washing machine with a water based wash agent at a temperature above 70°C. • at least one tracking device which is arranged to accompany the package with said specific product content over a period of time, which extends from the entry of said package in the system to a possible decision on administration of that specific product content to an intended recipient, whereby the tracking device includes an integrated data logger, which is arranged to record logged data and time during said period of time about at least one environmental parameter that affects lifetime of said specific product content , at least one means for reading said unique identity code , the tracking device includes a calculation function, which based on the logged data and time calculates a value for said remaining lifetime, the tracking device comprises: • an integrated indication device , which is arranged to indicate, at least about the specific product content , remaining lifetime, • a communication device for receiving a signal to activate indication of any remaining lifetime with said indication device , • an integrated indication device , which is arranged to indicate, at least about the specific product content , remaining lifetime, • a communication device for receiving a signal to activate indication of any remaining lifetime with said indication device , <EOS>