A bit light and wants to topple over. Provided screws for securing it aren't very practical in a tin boat. The unit requires 2 3/4" of water to turn on which virtually submerges it and then shuts off with at least 1" of water left in the bilge which is a little disappointing. The third switch wire strikes me as silly in such an economy unit and will end up corroding somewhere it doesn't belong in our boat. Flunked engineering in school, but was able to wire it successfully with limited enclosed directions.