Smart Car TPMS Tire Preure Monitor System For Nianwith 4 sensors Wirele Alarm Systems LCD DisplaySIZE:For Nian21mm*36mmNotice:1. special vehicle tire preure monitoring system2. II upgrade products, color display, the system more perfect3. Real-time highly accurate tire temperature and preure, with four data was4. The fuel-efficient, forecast leak, extend tire life balance tire preure, ensure safe driving5.PSI, BAR two kinds of preure unit selection, C and F unit selection two temperatures6. Each sensor has a unique ID code function7. interchangeable tire location sensor waterproof, waterproof grade: IP5K4K8. Korea Certification radio frequency technology, open the effective transmiion distance of 80 meters or more, updated in real time sensor data, tire preure and temperature abnormalities immediate alarm