This equipment amplifies the Signal for the BLU Sensors if used over 100Ft Tire condition is critical for the safety of riders and drivers, so getting a warning right from your vehicle that your tires have an issue could be a life saver. The BLU TPMS will monitor both the Pressure and Temperature of vehicle tires with Internal (D.I.Y.) IP Addressable O.E.M. Grade Low Energy Blue Tooth Sensors. All of this information is then reported in the free App for IOS or Android devices, including push notifications that tire pressure is low or temp out of parameters, no dedicated display required. Includes: 1 Repeater, 15 Wire, 4 Securing Screws. | Advanced Accessory Concepts LLC BLU TPMS Trailer Signal Repeater in Blue