RViBrake Shadow 2 flat tow brake system.This permanently installed braking system adds powerful, responsive braking to your towed vehicle without the hassle of daily setup or adjustment. Once installed, Shadow 2 stays out of sight and out of mind, yet springs into action the moment you shift into tow mode. Its advanced tow-mode detection instantly senses when your vehicle is being towed and activates automatically, syncing with your RV’s brakes with a rapid 0.5-second response time. Resulting in smooth, controlled braking that protects your vehicle and rig during sudden stops, downhill descents, and every mile of your journey.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov