Features: *Tire Pressure Monitoring System lets you get real-time tire pressure data, temperature data and status, always keeping an eye on car performance. *Combined with the solar energy display that is green, low carbon and renewable, enabling you to charge the device faster and conveniently. *4 wheels' tire pressure and temperature display simultaneously, high/low tire pressure alarm, high temperature alarm and air leakage condition alarm. *The real-time tire pressure data, reliable alarm system delivers alerts once an unusual situation occurs, very convenient and practical. *TPMS adopts wireless transmission, and no wire connection required, easy installation, as well as easy operation.