Adsoner Cartoon Piggy Bank, Electronic Atm Password Cash Coin Can Auto Scroll Paper Money Saving Box Gift For Kids (Red)Product instructions: ? use: 1. Install your ordinary 3 AA batteries. Enter the four digit passwords (default 0000); 2. Green lights on, then rotate the knob clockwise to open the door. Note: If you enter the wrong passwords, the red light will be illuminated,and remind you ''please try again''. ? change password: 1. Enter the current password (default 0000) to open the door of the safe. Long press ''*'' button, green light and red flashing. 2. Input