Description:1. Auto-induction charging with solar power.2. Triggering alarm against excessive pressure & temperature.3. Sound & voice alarm.4. Multiple pressure units (PSI & BAR optional).5. Multiple pressure units (℃ & ℉ optional).6. Users can set alarm vale for tire pressure & temperature.7. Interchangeability of installation position on tire.8. Display in capable of wake-up function with slight movement.9. Display can automatically enable back light.10. Display is equipped with re chargeable battery.11. Monitoring up to seven tire (including spare tire).12. Display shoes the pressure or the temperature of four tires simultaneously.13. Triggering alarm for emergency leakage.14. Simple installation & stable performance. Feature: Pressure set range: 05-6.0 bar (7-87psi) Input voltage: DC 5 V Temperature set range: 50℃-99℃ Frequency: 433.92 M Hz Technical Parameters Of Sensor: Built in sensor External sensor Operating temperature-40℃-+125℃-40℃-80℃ Pressure range 0-4.5bar (0-65psi)0-4.5bar (0-65psi) Pressure accuracy 1.5psi (0.1bar)1.5psi (0.1bar) Temperature accuracy 0.3℃0.3℃ Transmission power 10d Bm 10d Bm Transmission frequency 433.92 M Hz 433.92 M Hz Batter service 5 years 2 years Package included:1 X Tire Temperature Monitoring Device Kit