Don't post this under Quick Answers - if you got the code from an article, then there is a "Add a Comment or Question" button at the bottom of that article, which causes an email to be sent to the author. They are then alerted that you wish to speak to them.
Posting this here relies on them "dropping by" and realising it is for them.
If you are trying to talk to the manufacturers of a "zktmb460" then you need to go to their website: we have no idea what it is, much less how it works!
And either way, you need to learn how to ask a question: your question is so vague and free from information that we couldn't help you if we wanted to!
Start here:
Asking questions is a skill[
^] and think about what you need to know, and what you need to tell us in order to get help.