100% new and high quality. LCD digital displaying, clear to show tire information. Wireless connect by interior/external sensors, easy install. Real-time automatic monitoring and warning of information, such as low tire pressure, high tire pressure, rapid air leak, high tire temperature and low battery voltage. Accurately receive the signal, and reflect the tire pressure condition truthfully and intuitively. Note: The host must be turned on before installing the sensor. Press and hold the left button for 3 seconds. Rear-time monitoring pressure & temperature of 6 tires. Low air pressure / High tire pressure alarm. High temperature / Leakage / Low Battery Alarm. Material: ABS + aluminum. Working Frequency: 433.9200MHz±0.1Mhz. Temperature Monitoring Range: -40? +120? . Pressure Monitoring Range: Maximum pressure support of 9.9 bar. Precision: temp ±2? ; pressure ±0.1bar. Mainly targeting vehicle models: trucks, RVs, buses. 1 set Car Tyre Pressure Monitoring System.