How to use:
Press the unlock button. Enter the four-digit passwords (default 0000), the green lights on, then turn the knob clockwise to open the door. If you enter the wrong passwords, the red light will light up. How to change the password: Enter the default password 0000, open the box and hold the x key for the password you want to change to the # end (within 15 seconds). If you forget your password, you can remove the battery, after 10min you can return to the factory default password 0000.

Features:
Sleek edges and corners have a polished and smooth design, with no edges and corners to hurt your little one's hands. It has two switchable sounds: beep and voice prompt. 2 in 1 function: money saving box and electronic piggy bank type safe with password. The password can be set as you like. There is a warning sound when the door is opened for a long time, and it will automatically lock when closed. Environmental Protection Material: Made of durable ABS and electronic components, powered by 3xAAA battery (not included). Large Capacity: Measures 13.5x14.5x19.5cm/5.3x5.7x7.7" in interior size, the large space can not only save money, but also can store some secret small things or toys.