Reese Tekonsha P3 Brake Controller is a breakthrough among proportional brake controls, offering a system that€™s smooth and proportional with a multi-functioning LCD display. The display offers multiple colour and contrast with easy to understand roadside diagnostics. Consumer preference drove the innovations that are incorporated into P3 including the capability of switching between an electric brake system or a hydraulic brake system. Reese brake box Tekonsha P3€™s convenient features include a dash-hugging design, unique easy-to-use clip-mounting system, quick disconnect for a safe storage when not in use and the original €œboost€? feature that allows the driver to increase the initial power delivered to the trailer brakes. Can even be customized by the user to operate in English,French, or Spanish. Including a range of diagnostic features, a pre-assembled wiring harness and a limited lifetime warranty, the P3 is for 2, 4, 6 and 8 brake trailers. 1 per box.