[Upgrade Music Piggy Bank]-This is an upgraded money bank. Use cute music to attract your money. If you put more money in his "mouth", he will sing longer. (Built-in ten children's songs) [Automatic Paper Currency Reel]-When the paper currency is close to the cash outlet, it will automatically suck up the money and automatically play music at the same time. (But it will not work if the paper is too old or too soft) [Password piggy bank]-The default password is 0000, you can change it to other 4-digit passwords. If you forget the password, please remove the battery and reinstall it after 5 minutes. The password will be restored to "0000". Powered by 3 AA batteries(batteries not included) Large-capacity piggy bank: Can store 600 coins or 100 banknotes. Fun and funny, a must-have item for children or gifts, which greatly helps you develop a good habit of saving money. [Cash drawer material]-High-quality plastic, strong and not fragile. Size: 19*13*12 cm (7.4*5.11*4.72 inches). Color: Blue Dog how to use: 1. Enter a four-digit password (default 0000), the green light is on. If you enter the wrong password, the red light will light up. You will be reminded "please try again". 2. Press the button clockwise to open the door. The green light will be on for about 10 seconds, and there will be a squeak when the door is opened. If the door is opened for more than 10 seconds, the green light will go out and a buzzer will sound every20 seconds. Turn off to stop the beeping sound. 3. Banknote input port, banknotes can be taken directly. Then press the password to withdraw money 4. After finishing, close the door lock