Methods, apparatuses, and systems for dispensing an off-gassing liquid product mixed with a diluting product are provided. A power characteristic acquiring unit acquires a power characteristic of an AC power supply that supplies power to the motor. The method comprises dividing the plurality of bits of the UID into groups to generate a plurality of groups; selecting a first group and a first value for the first group; obtaining a search result according to a search command and the UIDs of the RFID tags; and analyzing the search result to determine whether at least one RFID tag corresponds to the first group and the first value.