1. Metal key storage box, it can store a set of keys for safe and convenient access. 2. You don't have to carry the keys everywhere, thus avoiding the risk of loss. 3. 10 pushbuttons, can be combined into thousands of passwords and are resettable, providing superior security. 4. Made of aluminum alloy, high durability ensures that it will not be opened forcefully. 5. Comes with a removable protective cover to protect the device against dust and rain, perfect for outdoor use. 6. Can be easily mounted on the wall. 7. Protects your keys well against damage or theft. Specifications: Product name: Key Safe Model Number: KS004 Material: Aluminum Alloy Color: Black Size: 105x65x55mm / 4.13x2.56x2.17in Scope of application: Storage and management of keys in homes, offices, gymnasiums, factories, construction sites, and so on How to open the lock correctly: 1. Please press the clear button before each use. 2. Enter the correct password (the initial password is empty for the first time without pressing all the numeric keys) and directly press 0PEN. 3. Press the 0PEN button, then pull the cover to open it. How to correctly set the password: 1. Open the white cover on the back of the key box cover to access the password setting area. 2. Remove the center position screw on the white cover; the gray part is the password setting knob. 3. Use the included tool to rotate the adjustment knob 180 degrees for the digits you want to set as your password. The arrow of the triangle symbol should point down. For example, if the password is 2356, turn the triangle knobs corresponding to these digits by 180 degrees. It is recommended to set a password with fewer than 4 digits. 4. Important: Do not lock immediately after adjustment. First, clear the buttons, then press the password you set, and finally press the open button to check if the lock tab retracts. If it retracts, the setting is correct. 5. Reinstall the white cover, remember the password you set, and then use it. If you need to reset, repeat the above steps. Packaging Information: Package size: 130x90x65mm / 5.12x3.54x2.56in Package weight: 440g / 15.52oz General package Package Included: 1 x Key Safe 1 x Manual 1 x Dust Cover 1 x Set of Screws 1 x Set of Accessories Notes: 1. Due to differences between monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension differences due to manual measurement.