A friend is doing Marine CCTV product sales, in which he has done is really very good, but when we’re together, when he will give us some Marine CCTV knowledge, which makes me on this Marine CCTV have to understand, I think many solutions some of this knowledge is useful, just a few days ago, we had some trouble with our company inside the Marine CCTV, we do not know how to do, then I would think of yourself to learn this knowledge, I will try to fix it, I do not want to own it it is repaired, but only a little fault, and the quality of the product is nothing, so I think the Marine CCTV is very good.