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A TSA lock is a special security lock designed for air travel, approved by the Transportation Security Administration of the United States. You can quickly identify it by the well known red diamond logo printed on the lock housing. Unlike ordinary luggage locks, it features two independent unlocking systems. Travelers open it with their personal combination code for daily use, while authorized customs inspectors use exclusive TSA master keys to unlock the lock during baggage inspections.

Resetting a combination lock allows you to set your own memorable passcode for TSA locks and regular resettable luggage locks. You must know the current working code before resetting. You cannot reset the lock when it is locked shut.

RFID stands for Radio Frequency Identification, a contact less wireless technology widely used in modern travel scenarios. Small RFID chips paired with miniature antennas are embedded inside cards, passports and luggage tags. They transmit stored personal data via radio signals to dedicated readers, with no physical contact required.