BrakeMaster is ROADMASTER's 'direct' proportional braking system. It connects directly to the motorhomes air or hydraulic brake system for rock-solid, reliable braking brake line pressure in the motorhome controls the brakes in the towed vehicle. Because it connects directly to what powers your motorhomes brakes, BrakeMaster is a truly proportional, truly synchronized braking system however you brake the motorhome, BrakeMaster automatically applies the same pressure. Every time. Connects and disconnects from the towed vehicle in under a minute, without any tools, adjustments or settings attach the brake pedal clamp, secure to the floor or the seat adaptor, quick-connect the air hose, and youre ready to tow. Weighs just 3.75 pounds and measures 17 inches in length stores almost anywhere.