Hayes The Blackbird (R) Digital Trailer Brake Control w/Quik Connect for 8 Brakes 81726 17-0087

Time based brake control is used for 2 to 8 electric brakes. Features fully functional in reverse and requires no levelling. It supports electric and electric over hydraulic brake system. Includes a wiring harness. Slim, compact 3 inch x 3-1/4 inch housing, no interference with electrical systems.