Get rid of the need and the hassle for keys or combinations with the Tokk Travel Fingerprint Lock. This fingerprint lock uses biometric authentication technology to provide quick, secure access to your valuables. You can use it to lock your backpack, laptop bag, or carry-on while you re on the go and easily access what s inside in an instant with just a fingerprint. The Tokk lock lets you program up to 10 fingerprints and features a super fast opening reaction time of less than 0.5 seconds. You can lock and unlock it up to 100 times on a single charge and enjoy up to 6 months of standby time batty life. It s even weatherproof, which means it can withstand any outside temperatures.