System comprising - a plurality of wireless sensors (F 1 , F 2 , F 3 , F 4 , F 5 ), - a transceiver unit (S), - a server (C), - an analysis unit and - position-detection means, - wherein each wireless sensor (F 1 , F 2 , F 3 , F 4 , F 5 ) can be connected to one object (O 1 , O 2 , O 3 , O 4 , O 5 ) each, wherein the objects (O 1 , O 2 , O 3 , O 4 , O 5 ) are goods, - wherein each wireless sensor (F 1 , F 2 , F 3 , F 4 , F 5 ) is configured to acquire measured values on the state of the object (O 1 , O 2 , O 3 , O 4 , O 5 ) connected to said sensor, and to transmit state data on the state of the object (O 1 , O 2 , O 3 , O 4 , O 5 ) to the transceiver unit (S) over a short-range link, - wherein the position-detection means are configured to detect the position of the transceiver unit (S), - wherein the transceiver unit (S) is configured - to receive the state data from the wireless sensors (F 1 , F 2 , F 3 , F 4 , F 5 ), - to transmit the state data to the analysis unit , characterized in that - the analysis unit is configured - to compare with each other the items of transmitted state data from various wireless sensors, - to identify differences in the state data of the various wireless sensors, - wherein the transceiver unit (S) is configured to transmit information on the differences to the server (C) via a long-range link, - wherein the server (C) is configured to display to a user and/or to store in a database, information on the differences and on the position, - wherein each wireless sensor (F 1 , F 2 , F 3 , F 4 , F 5 ) comprises a packaging state sensor, wherein the packaging state sensor detects whether packaging containing goods is closed or open. - a plurality of wireless sensors (F 1 , F 2 , F 3 , F 4 , F 5 ), - a transceiver unit (S), - a server (C), - an analysis unit and - position-detection means, - wherein each wireless sensor (F 1 , F 2 , F 3 , F 4 , F 5 ) can be connected to one object (O 1 , O 2 , O 3 , O 4 , O 5 ) each, wherein the objects (O 1 , O 2 , O 3 , O 4 , O 5 ) are goods, - wherein each wireless sensor (F 1 , F 2 , F 3 , F 4 , F 5 ) is configured to acquire measured values on the state of the object (O 1 , O 2 , O 3 , O 4 , O 5 ) connected to said sensor, and to transmit state data on the state of the object (O 1 , O 2 , O 3 , O 4 , O 5 ) to the transceiver unit (S) over a short-range link, - wherein the position-detection means are configured to detect the position of the transceiver unit (S), - wherein the transceiver unit (S) is configured - to receive the state data from the wireless sensors (F 1 , F 2 , F 3 , F 4 , F 5 ), - to transmit the state data to the analysis unit , - the analysis unit is configured - to compare with each other the items of transmitted state data from various wireless sensors, - to identify differences in the state data of the various wireless sensors, - wherein the transceiver unit (S) is configured to transmit information on the differences to the server (C) via a long-range link, - wherein the server (C) is configured to display to a user and/or to store in a database, information on the differences and on the position, - wherein each wireless sensor (F 1 , F 2 , F 3 , F 4 , F 5 ) comprises a packaging state sensor, wherein the packaging state sensor detects whether packaging containing goods is closed or open. <EOS>