Product instructions：

The lock is preset at factory to open at 0-0-0. Check the 0-0-0 aim at the indication line. Press down the snap. Now the lock is ready to open.
1. Before opening the lock, push down button along the arrow, keep still untill second operation is done.
2. Press down the button with sharp tool, hold the position untill next step 3 is finished.
3.Turn the character wheels to set combination what you want
4.Release the button, now your private combination is set.
5.Remember well your new combination. If you want to change it again, you just need to repeat the above steps.