Characteristic: The master code and the master key allow you to open if you forget the user code. LED indicator shows working status, low battery indicator. Easy installation without screws. The Cam can rotate clockwise or clockwise. Ideal for filing cabinets, cabinets and storage cabinets. Specification: Material: ABS Size: 9.5 x 5 x 5 cm / 3.74 x 1.97 x 1.97 inch (Approx.) Install: 1. Install the battery: When using for the first time, please use the wrench to unlock. Once the key is inserted, turn it 90 degrees clockwise to unlock it. After unlocking, please install 2 7th batteries (alkaline battery recommended) into the battery compartment on the back of the lock body, then lock the case. Remove the key and store it in a safe place. 2. set the password (user password and management password are set the same): Factory password: user password is 1; the management password is "6" The password consists of 1 to 12 digits and can be stored for a long time. Set the password for the first time: press 1 button (Note: 1 is the factory password) - press the C button - enter the new password (example: 123456) - press the button OK, the new password will take effect after hearing the long tone (dI~). Password change method: enter the old password - press the C key - enter the new password - press the OK key - the new password takes effect 3. Unlock: press the button OK after entering the password, turn the knob to unlock Enter the password set on the keypad. Each press of the button has an audible and visual prompt, indicating that the input is valid. Press OK when typing is complete. If the password is correct, the green light will light up and there will be a long beep (Di~). At this point, turn the knob clockwise to unlock. If you do not turn the knob during the opening period, the combination lock will automatically reset the lock. If the password is incorrect, a two-tone prompt (DI -DI) indicates that the entry is incorrect, please re-enter the correct password. 4. Locked: Turn the knob counterclockwise to the locked position to lock. 5. Automatic alarm: If the password entered four times in a row is wrong, the password lock will generate an alarm. The alarm will last 60 seconds. Meanwhile, enter the correct password and press OK button to cancel the alarm. This feature prevents others from cracking passwords. 6. The power cut prompt: When the battery is low, it will beep three prompts when the lock is unlocked and the red indicator light turns on. At this time, the battery can be unlocked about 100 times when the battery is exhausted. Please replace the battery as soon as possible. 7. Emergency unlock: Due to insufficient power, the lock cannot be unlocked and the key can be unlocked. The key is only used for emergency unlocking and the battery should be replaced immediately after opening the door. 8. Emergency decoding: When the user forgets the password inadvertently, he can use the key to unlock the key first. 1) After unlocking, press the clear key on the back of the lock body and after hearing the long sound (DI~), the user password will be restored to the factory password. 2) After unlocking, press and hold the clear key on the back of the lock for 5 seconds. After hearing the long beep (DI~), the management password will be restored to the factory password. If the administrator password is also forgotten, use the key to open the cabinet. < br />Package List: 1 x Code Security Lock 1 x Key 1 x Manual Note: Please note that the new type and old type of this product will be sent randomly, and please make sure you don't mind. Don't bother before ordering.