If you don't input the correct password,you will not be able to open the rotary switch, green light up to open insurance box after you input the correct password Use it to store things like your paper money, play jewelry, baseball cards or playing card. The coins slot at the top lets you use the safe as a piggy bank. Put the paper money on the Scroll, it can be rolled into the machine automatically. Can change the warning tone, make save money more fun. Novelty design, the piggy bank become more attractive. Specification: Help the children to form a good habit, save the pocket money, on their own to get what they want. Not only a cartoon piggy bank, but also a lovely decoration. Can be given as a gift to a friend's child. Use Guide: To open the safe, you need to enter a four-digit password first ly. Safe default password is: 0000. Follow these steps to use safe: 1 Enter the four-digit password, and green lights. If you enter the wrong password, the red light will be lit, and will issue "PLEASE TRY AGAIN" voice tells you. 2 Clockwise knob, opened the door. Green light for about 10 seconds, you will hear the creak of the door opening. If the door is open over 10 seconds, the green light is off, and beep sounds once every 20 seconds. To stop the beep, you can close the door. 3 Banknote into the mouth, the bill can be directly inhaled. Then press the password can withdraw money. 4 When you are finished, it is good to close the door lock. Specification: Weight: 700g Material: ABS & Electronic components Batteries: 3 x AA batteries (Not Included) Features: Auto volume of money / coin slot Role: Training the children to save money