Abstract: The invention relates to a device which can be detected wirelessly by one or more sensors in a security system when located within the coverage range thereof. The aforementioned device includes storage means for storing customized identifying data for each bottle and is designed such that data can be wirelessly read or read and written by the sensor(s) belonging to the security system and/or by other sensors that do not form part of the system. The device preferably includes an RFID label and the wireless channels are established by means of radio-frequency. According to the invention, the device is placed in the cap and is destroyed or malfunctions when the cap is opened, such that fraudulent use can be detected.