Features: Simulates safe structure: It is not easy to force it open without a password. 1. Banknote deposit port Automatic cash dispensing: insert the banknote into the deposit port, gently press the contact switch, it will automatically enter the safe (Note: Banknotes that are too old and too soft may not be able to activate the contact switch) 2. Coin deposit port Approximately 800 coins can be deposited 3. Password button Enter a 4-digit password (default password: 0000), the green light will turn on. If you enter the wrong password, the red light will turn on and \"PLEASE TRY AGAIN\" will sound 4. Open door knob Enter the password correctly, the green light will turn on, turn clockwise to open the door. If the door is open for more than 10 seconds, the green light will turn off and a signal will sound. Signals every 20 seconds. To stop the buzzer, close the door. 5. Battery compartment Install 3 \"AA\" batteries before use. If you do not use it for a long time, you must remove the battery to avoid battery leakage. Chemical substances destroy electronic parts. Change password: 1. To change the password, follow the steps below: Enter the current password (default 0000) to open the safe door. Long press the \"*\" button, the indicator light flashes. Enter a new 4-digit password within 15 seconds, press \"#\" to confirm the storage of the new password. The light stops flashing. 2. Forgot password: Remove the battery and put it back after 5 minutes, the password will be reset to the original state \"0000\" [Product]: Electronic Piggy Bank [Material]: ABS Size: 13.5*12.3*19.5cm [Battery]: 3*AA (not included, customs reasons, please understand)