Secure your luggage: 3 combination code, TSA signal, easy to open and check, light to carry.Easy password setting: take the suitcase.TSA security code lock.Stylish, lightweight and practical, it's a smart travel combination lock.It is suitable for airport inspectors to open rust-proof locks and luggage without damaging the locks.The 3-digit combinations can be reset as many times as necessary and allow different combinations.Instructions: To open your personal combination lock, follow these steps: The lock is factory preset to 0-0-0 to open.Press the reset button with the tool until you hear a click.Adjust your suit by turning the dial.Press the button in the direction of the arrow.When you hear the click, the reset button will reappear.Don't forget your new costume.Repeat if you want to change again.