How many users/fingerprints can BenjiLock TSA store? BenjiLock Care Team December 24, 2018 20:51 Updated Follow The TSA Lock can store up to 5 separate users/fingerprints. For instructions on how to program additional users/fingerprints click here. Related articles What Type of Battery does the TSA Luggage Lock Use? Programming Additional Users/Fingerprints What is the Battery Life Expectancy of the TSA Luggage Lock? How do I know when the battery is getting low? Why didn't I receive keys with my TSA Luggage Lock?