Tekonsha 90885 - Trailer Brake Control - ProportionalThe Prodigy P2 is the next evolution in the Prodigy family, designed to work with electric over hydraulic brake systems and featuring numerous mounting options that make the display easier than ever to read. It also works proportionally in reverse, which is great for backing into tough spots! Aside from smoother, more efficient braking that results from proportional application of stopping power, the P2 also has a boost feature that gives you more