The function of the system are mainly as follows: Overpressure alarm: alarming when the tire pressure exceeds the prefixed value Under voltage alarm: alarming when the tire pressure gets lower than a set value Temperature excursion alarm: alarming when the Tire temperature is too high Brake imbalance alarm: alarming when imbalance occurs Gas consumption prompt: alarming when the tire pressure is insufficient or the gas consumption increases 24h/d real-time detection Immediate and automatic self-detection of the power when the vehicle is stared, without any delay Wireless remote control parameter setting Users can set maximum and minimum values of temperature and pressure alarms of all tires Brake imbalance detection Gas-consumption augmentation prompt Highly effective and long-lasting lithium battery, adaptable to either hot or freezing environment, life-span lasts over 10 years Convenient maintenance of tires. As long as a user updates the ID number, he change the position of a tires