Works with trailers from 1 to 4 axles, designed to work with electric brake systems.;Digital Display Shows Voltage Delivery To Trailer During Braking;Boost feature for brake customization.;Kit includes brake controller and plug/play harness.;Limited Lifetime Warranty.TEKONSHA P2 PRODIGY BRAKE CONTROL + WIRING HARNESS FOR NISSAN ARMADA, TITAN, FRONTIER, PATHFINDER & INFINITI QX56. CONTROLLER + PLUG/PLAY WIRE KIT.