content: I purchased a new suv to tow my camper and when I called the dealer, they told me it would cost me $200.00 to have a controller installed. That was for a bottom of the line controller. I went on Amazon and found the Hayes Energize III for only $57 and the installation was a piece of cake. Not only did I get a much better quality controller, I saved a lot of money. I have already towed the trailer over 700 miles and the braking is so smooth, I can't even feel the trailer behind me.