Yes the Voyager would be good, but I like the features on the VisonStat better for my application. It is a relatively new product and is used by the truckers and is significantly less money on Ebay. I have 40ft 5th wheel as well. The Voyager and VisionStat both use digital technology which makes them less sensitive to noise. The VisionStat being a newer unit on the market has less people evaluating it on the web-- so if I decide to get it I will be pioneer I suppose :-) They are both built in China and possibly have the same roots.