An electronic baggage tag (1) includes one or more of: • · a sensor (17) for sensing an external trigger and an electronic display screen (2a, 2b) arranged selectively to display baggage tag codes and/or information in response to the external trigger; • · a power source comprising one or more of piezoelectric, kinetic, acoustic or radiation-based power sources; • · an electronic variable colour indicator configurable according to the area of origin or transit of the baggage item (40); • · means for capturing information relating to the local environment of the baggage item, and means for reporting the information to a remote service; • · means for sensing the contents of the baggage item, and means for providing an output responsive to said sensing; and • · a remote communications interface for communication over a remote communications network, and a local communications interface for communication over a local communications link, the tag arranged to relay, to the remote communications network, data received over the local communications link.