Specification:Name:Combination Lock Money Box Code Key Coins Cash Saving Piggy Bank Counter GiftModel:788810Material:Acrylonitrile Butadiene Styrene(ABS)Voltage:4.5V(3 x AA Battery,not included)Color:BlackSize:13x12x19cmFeatures:* Made of high quality Acrylonitrile Butadiene Styrene(ABS) material,environmental protection,non-toxic.* Automatic rolling banknote,put paper money into the roll slot, it will automatically roll the it into the box.* Also with a coin slot at the top of the box that provided to save all kinds of coins.* Password design,make your 'property' more insurance,and the password is modifiable.* There is warning sound when the door is opened and it will lock automatically when closed.* Cultivate children's sense of saving money, learn to manage money.* A good gift for children.How to Use:Enter the four-digit passwords (default 0000), the green lights on, then rotate the knob clockwise to open the door.How to Change The Password:Press the "*" key to enter the password you want to change, press the" "key to end, If forgotten after the passwordis changed, you can remove the battery for half an hour to restore the factory default password 0000.