Essential for anyone using the TireMinder TPMS system on a trailer, RV or RV. This ensures that all wheel units communicate with the main controller and provide correct information about the condition of the tractor's tires. With so many different types of equipment emitting radio signals that can cause interference, it's extremely important that you have real-time information about the condition of your tractor's tires. There's nothing worse than an avoidable release. Invest with peace of mind and make sure your TireMinder TPMS is running efficiently.