3-DIGIT SECURITY COMBINATION: 3-digit combination padlock designed for added security,each padlock can be set with its own combination code. No more complicated keys. Compact size makes it portable for travel,which enhances the tourist experience. STURDY ELEGANT DEISGN: The code padlock is made of high quality zinc alloy,solid,precise,rustproof,weatherproof,small volume,lightweight,safe and durable. It is safe enough for light use. EASY OPERATION: Easy to use and quick to unlock. You can set your favorite numbers as passwords. The 3-digit dialer is easy to remember and reset. VERSATILE USE: This padlock is suitable for indoor and outdoor use,ideal for luggage,backpack,jewelry box,hall locker,tool box,gym locker,after-school locker,home,etc. After opening,press the button in the direction of the arrow,hold the password,spin the crypto wheel to change the number you set,let it align the reference line,release the button to do itreturn to the normal position. ,turn off the digital rotation chaos,that is,the password is locked. Spin the number wheel to the number you set,you can activate it. Please write down your new password,if you want to change your password again,repeat the steps above.