How to reset the password : Enter the current password (default 0000) to open the safe door Hold the "*" button, both green and red lights will flash Enter new 4-digit password within 15 seconds then press " " to confirm and save new password Release the "*" button and close the door Note: If you don't enter new password within 15 seconds the procedure will stop. You need to reset it Warm tips: Please make sure your prepared 3 AA new batteries have enough power Switching the lanuage of voice prompts into English before using Press the '' '' button can open the head lamp when the door is closed Every time turn off the product, it will restart. When you turn on it next time, password will return to 0000 and you need to switch the language to English again and reset your new password How to switch the lanuage : Power on and enter correct password Press the fingerprint button after entering correct password to open the door Press the '' '' button for few seconds, the lanuage will be switched into English