KS-004 Combination Lock Key Box Alloy Button Wall-Mounted Shield-Shaped Combination Box 1. Material: aluminum alloy 2. Scope of application: home, office, gym, factory, construction site, etc. 3. You can put two keys less than 70 mm in length 4. You can put a key less than 90 mm in length 5. Waterproof, durable, safe and reliable 6. Weight: 480 grams 7. Dimensions: overall 105x65x55 mm, internal 40x70x25 mm 8. Delivery list: dust cover, key box, instruction manual, screws, expansion tube, modification tools Turn on: 1. Please press the CLEAR button every time before opening 2. Enter the correct password (the initial password is empty for the first time, no need to press any number keys) directly press the OPEN button 3. Press the OPEN button and pull the lid to open How to set the password correctly: 1. Open the white cover on the back of the key box cover as the password setting area 2. Remove the screw at the center of the white cover, and the gray part is the password setting button 3. Use the attached gadget to rotate the setting button of the password you want to set by 180 degrees and the triangle symbol arrow down. For example, the password you set is 2356. Rotate the setting button triangle arrow corresponding to these numbers by 180 degrees. Within 4 4. Important reminder: do not lock immediately after the setting is completed, first test the clear button CLEAR, then press the password button you set, and finally turn the top open button OPEN to see if the lock tongue is retracted. Can be retracted to indicate that the settings are correct 5. Install the white cover back and remember the password you set, and then you can use it. If you need to reset, repeat the above 5 steps