The password safe use ABS engineering plastics production of environmental protection, the internal precision electronic control components are big manufacturers, when the plane of notes touch body positive notes the automatic involved in, the built-in notes automatic induction will start the component will be involved in the casing, topped with a coin TouRuKou, has set up a good four open need to input password initial password (0000), input right after they make a particular sound, turn the knob at this time the door is open items can open access. Follow the instructions to set the password, change the password and restore the initial password.