An electronic tag for obtaining information relating to the integrity of a product as assessed from an exposure of said product to physical or environmental conditions during a time span, wherein the product is exposed to approximately the same physical or environmental conditions as is said tag, said tag comprising - a main part comprising an electronics unit; said electronics unit comprising - a control unit; - a sensor unit comprising at least one sensor for monitoring said physical or environmental conditions; - a display unit comprising a display for displaying data relating to said integrity referred to as status data; - a switch referred to as display switch; wherein one or both of: - said display unit comprises one or more light emitters for emitting light pulses, and wherein said data is encoded in a sequence of light pulses emitted by said one or more light emitters; - said display unit is structured and configured for displaying said status data by flashing, said status data being encoded in said flashing; characterized in that the tag comprises no Radio Frequency Identification responding capability, and in that said control unit is structured and configured for - effecting that said display unit displays said status data in reaction to an operation of said display switch; and in that one of (i) said electronics unit comprises - a terminating switch; and wherein the control unit is structured and configured for - terminating said monitoring in reaction to an operation of said terminating switch; and wherein the display switch and the terminating switch are identical or are different from each other; (ii) the tag comprises a rip strip comprising a breakable electrical connection operationally connected to said electronics unit, and the control unit is structured and configured for - detecting a breaking of said electrical connection; - terminating said monitoring in reaction to said detecting said breaking of said electrical connection. - a main part comprising an electronics unit; said electronics unit comprising - a control unit; - a sensor unit comprising at least one sensor for monitoring said physical or environmental conditions; - a display unit comprising a display for displaying data relating to said integrity referred to as status data; - a switch referred to as display switch; - a control unit; - a sensor unit comprising at least one sensor for monitoring said physical or environmental conditions; - a display unit comprising a display for displaying data relating to said integrity referred to as status data; - a switch referred to as display switch; wherein one or both of: - said display unit comprises one or more light emitters for emitting light pulses, and wherein said data is encoded in a sequence of light pulses emitted by said one or more light emitters; - said display unit is structured and configured for displaying said status data by flashing, said status data being encoded in said flashing; - said display unit comprises one or more light emitters for emitting light pulses, and wherein said data is encoded in a sequence of light pulses emitted by said one or more light emitters; - said display unit is structured and configured for displaying said status data by flashing, said status data being encoded in said flashing; characterized in that the tag comprises no Radio Frequency Identification responding capability, and in that said control unit is structured and configured for - effecting that said display unit displays said status data in reaction to an operation of said display switch; and - effecting that said display unit displays said status data in reaction to an operation of said display switch; and in that one of (i) said electronics unit comprises - a terminating switch; and wherein the control unit is structured and configured for - terminating said monitoring in reaction to an operation of said terminating switch; and wherein the display switch and the terminating switch are identical or are different from each other; (ii) the tag comprises a rip strip comprising a breakable electrical connection operationally connected to said electronics unit, and the control unit is structured and configured for - detecting a breaking of said electrical connection; - terminating said monitoring in reaction to said detecting said breaking of said electrical connection. (i) said electronics unit comprises - a terminating switch; and wherein the control unit is structured and configured for - terminating said monitoring in reaction to an operation of said terminating switch; and wherein the display switch and the terminating switch are identical or are different from each other; - a terminating switch; and wherein the control unit is structured and configured for - terminating said monitoring in reaction to an operation of said terminating switch; and - terminating said monitoring in reaction to an operation of said terminating switch; and wherein the display switch and the terminating switch are identical or are different from each other; (ii) the tag comprises a rip strip comprising a breakable electrical connection operationally connected to said electronics unit, and the control unit is structured and configured for - detecting a breaking of said electrical connection; - terminating said monitoring in reaction to said detecting said breaking of said electrical connection. - detecting a breaking of said electrical connection; - terminating said monitoring in reaction to said detecting said breaking of said electrical connection.