Note: Please note the color when purchasing Product Description Four-digit password lock: One thousand password combination, easy to change, safe and efficient, strong anti-theft Aluminum alloy lock body: thick aluminum alloy lock body, stronger, safer, effective against violent damage Large storage space: It is easier to go out without key, easy to operate Main Feature Password key box Color: Red, Orange, Blue, Green, Grey Material: Aluminum alloy Weight: 520g Size: 115mmx95mmx36mm Fit for : B&B, hotel, home, office, gym, construction site How to set a password: First align the original password with the tick mark Set the button on the reverse side of the lock from A to B. Dial the password to the password you need. Re-homing the setting button from B to A, the setting is completed. Special note: Do not disturb the password immediately after setting. First, dial one to test whether the set password is correct. How to open key box: Pull down the black waterproof and dustproof cover, you can see the password wheel and the open button. Dial the password to 0-0-0-0 (factory password) Press the open button to keep it pressed, and open the cover to the outside to open it. Close the lid and lock the password to lock it. Important tip: Close the waterproof and dustproof cover when not in use, which can effectively extend the service life of the lock. We do not recommend using a combination of passwords such as “0-0-0-0” that are easy to crack. If it is not used for a long time, please open the lock once a week to effectively extend the life of the lock. Package: 1x Mechanical Code Lock Key Box