Hayes Genesis (R) Digital Trailer Brake Control w/Quik Connect for 8 Brakes 81790 17-0123

Proportional brake control is used for 2 to 8 electric brakes. It supports electric and electric over hydraulic trailer brake systems. Features fully functional in reverse and automatic levelling. Includes a wiring harness. The "power boost feature" provides the ability to apply more initial braking power when towing heavier trailers.