The SMI Air Force One Supplemental Braking System (9599019) is a wireless coachlink that provides superior braking performance and safety. It features:

• Automatic braking system
• Wireless coachlink
• Easy installation
• Compatible with all SMI Air Force One systems
• oach Air Brake System
• With Breakaway System
• Only air brake system that energizes the towed vehicle’s power brakes through a patented process that does not require an electronic vacuum pump