Listen to my friend Marine CCTV said very good, my friends working in the sea below their ship is the installation of the Marine CCTV, the picture is very clear, we also use the Marine CCTV inside the company, I also feel very good, there is a Marine CCTV, people can feel with security protection as it is now a lot of companies have installed the Marine CCTV, really good, my grandpa as a security guard in a company, Grandpa said before everywhere, now with Marine CCTV, you can see all the outside inside the control room, what can be directly the intercom and you pick up with it, the Marine CCTV screen is also very good.