Package Included: 1 x TSA-Accepted Luggage Lock Using this Travel/Sentry Approved lock allows your luggage to be unlocked and inspected by security authorities with damage. Operation instructions: To open your personal combination, please obey the following steps: 1.The lock is preset at factory to open at 0-0-0. 2.Press down the reset button with a tool until hear the click sound 3.Set your combination by turning the dials 4.Push the button towards to the direction of arrow and the reset button will be back when you hear the click sound. 5.Remember well your new combination. If you want to change it again, please repeat Features: 1. Model: TSA002 2. Material: Zinc alloy 3. Color: Black 4. Size: 8.3*3.1cm 5. Lightweight and portable. 6. Safe and keep your luggage security. 7. Easy for setting password. 8. 3 combination password, TSA signal, convenient for customs personal to unlock and check the suitcase.