Lippert Components 380605 Sway Command Tow Control Technology-Complete KitAdvanced patent pending microprocessor technology electronically detects trailer sway and applies the trailer brakes to dampen sway Detects side to side trailer movement not controlled by your weight distribution hitch Light pod mounts to the front of the trailer and signals to the driver when the system is functioning properly Sway Command is not a replacement for weight distribution sway bars which are required for safe towing Manufacturer Lippert