1. Position is used to set the position of the buttons that fit from A to B. 2. Switch the password button to the password you need. 3. Reset button from B to A back 4. Your lock is now ready to use with your own combination. We recommend that you first do a test by locking your item to make sure it is set correctly. Don't forget your own password, otherwise you won't be able to open it. Read the instructions carefully when using the lock or trying to set a new combination of numbers. The security box comes without a code - you must register the selected code when you use it for the first time. color:Black Material: Package contents: 1 x Small mini key cabinet Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to look a little different from the real thing. The allowed measurement error is +/- 1-3 cm.