High quality. Simulation safe structure, although the material is environmental protection ABS material, but did not enter the password to force open, is not an easy thing Automatic money slot. Put the banknote in the deposit port and gently push the contact switch, it will be automatically involved in the safe (note: the banknote that is too old and too soft may not be able to start the contact switch)Turn the unlock switch. Without the correct password input, this switch cannot be turned on. After entering the correct password, the green light will turn on to open the safe Password keyboard. Four electronic password protection, you can change your password, more secure and reliable. The 4-digit password can be set at will, and the default factory password is 0000. If you forget the password, you can take out the battery and let it sit for a period of time to restore the factory Settings Large space. Very large space, not only can storage money, also can deposit a few illicit close gadgets among them To open the safe box, first enter a four-digit password. The default is: 0000. Follow these steps to use the safe box: Enter a four-digit password and the green light will turn on. If you enter the wrong password, the red light will light up and you will hear "please try again". Turn the knob clockwise to open the door. If the green light is on for about 10 seconds, you'll hear a creak as the door opens. If the door has been open for more than 10 seconds, the green light goes off and beeps every 20 seconds. To stop the beeping, close the door. Put the paper money into the mouth of the paper money. The paper money can be entered directly. Then you can withdraw money directly by pressing the code. When you are finished, close the door and lock it To change your password, follow these steps: Enter the current password (original password 0000) to open the safe door. Long connect "*" key, indicator light flashes. Enter the new 4-digit password within 15 seconds, press "#" to confirm the storage of the new password, and the light will stop flashing. Note: If the new password is not entered within 15 seconds, the program will stop and must be restarted. Release the "*" button and close the door Bleep or voice: enter your current password and open the door. Push the switch (back of the door) left or right to set the beeping or talking sound and close the safe cabinet door Power supply: 3 AA batteries (not included)