I have used this product for over 5000 miles. So I know him very well. I am on my second, forced to buy the same as a breakdown. It has some very important flaws, never corrected by Raymarine, and has been for years. A simple search on forums will confirm this. First of all, the performance in terms of heading is fair. As soon as the sea is formed, and especially downwind, he is unable to hold the boat. The reason is simple Raymarine persists in using an ancient fluxgate, which cannot detect heading changes fast enough. Result, the boat starts in switchbacks. In heavy seas, it is even dangerous. Then, this product is not waterproof at all. Truly not. A simple rain, not even heavy, got the better of the first copy I bought. A simple examination can quickly find the reason the seal does not allow a satisfactory seal between the two plastic shells and above all allows water to enter through the cylinder rod. The electronic card is not varnished, so a simple drop of water creates a short circuit and your pilot is out of service. How is it conceivable that a tiller pilot exposed to the elements could not withstand a simple downpour?!? In conclusion, this pilot has fair performance and suffers from a major design flaw in the seal. In short, do not count on it. Unless you are cruising with a motor, and only in good weather. For more demanding sailing, turn to the competition who offers a product in the same price range, but with a much better reputation. For my part, Raymarine, it's over.