Camera mounted on underside of the flybridge top

I want to install a camera on the underside of the fly bridge top so I can see behind the boat when towing or see the outriggers when trolling. Any suggestions on who makes a camera that will work for this application? Would like it to pan not necessary to zoom. Will tie it into either the chart plotter or depth sounder to view the picture. Thx

Thanks Tom. I found a guy that makes custom cameras for crane companies, USCG, etc. Its completely waterproof, stainless steel and guaranteed for a couple years. Just mounted it yesterday and very happy with the quality and the picture. He told me I can even put the camera underwater. I use the camera mainly to make sure the Robalo is still behind us while towing it. Also get a good picture of the cockpit to make sure everyone is still onboard. The picture is shown on my Furuno, Raymarine plotters and the salon TV.