FOBO Ultra 2 is an advanced Wireless Tire Pressure Monitoring System (TPMS) for heavy vehicles using the latest Bluetooth 4.1 that works directly with your Android and iOS smartphones or tablets. With an intelligent In-Car monitoring unit that works on its own or simultaneously with your smart devices.FOBO Ultra 2 monitors up to 1296 kPa(188 psi) and give you an alert in the smart devices or the In-Car unit. Comes with 4 wireless tire sensors, 1 wireless In-Car unit, and a 12-24V 10 feet power cable with connector to In-Car or Repeater.Benefits of FOBO Ultra 2: 1) Uncompromised vehicle handling2) Optimised Tire wear3) Optimised Fuel consumption4) Effective Breaking distance5) Fast leak detection6) Boost overall driving safetyKey Features: 1) Real time monitoring of tire pressure and temperature. View on demand tire pressure and temperature.2) Remote monitoring – Auto push & pull data - Auto Synchronization –Simultaneous status update on connected smartphones.3) 24x7 Continuous monitoring within Bluetooth range.4) 6- level smart alerts for tire pressure threshold breach.5) Easy Do-It-Yourself installation.6) Quick sharing.7) 2-Level theft deterrent8) Seamless swap from one smart device to another (Cross pair TM)Permissible limit for in-car unit - 6 axles (22 sensors)Permissible limit for Repeater unit - 6 axles (24 sensors)