Electronic Password Money Box Code Key Lock Specification: Name: Combination lock cashbox code key coin cash deposit piggy bank counter gift model: 788810 Material: acrylonitrile butadiene styrene (ABS) Voltage: 4.5V (excluding 3 x AA batteries) Color: black Size: 13x12x19cm Feature: Made of high-quality acrylonitrile butadiene styrene (ABS, ABS) material, environmental friendly, non-toxic. Automatically roll the banknote, put the banknote into the roll slot, and it will automatically roll the coin into the box. There is also a coin slot on the top of the box, which can store various coins. The password design makes your "property" more secure. The password can be modified. When the door is opened, it will give a warning sound, and when it is closed, it will automatically lock. Cultivate children's awareness of saving money and learn how to manage money. A good gift for children. Usage: Enter the four digit password (default value 0000), the green light will be on, and then turn the knob clockwise to open the door. How to change the password: press the "*" key to enter the password to be changed, and press the "" key to end. If you forget the password after changing, you can remove the battery for half an hour to restore the factory default password 0000