CODASH Car Solar TPMS Tire Preure Monitoring System Solar Power Digital Display Security Alarm Tyre 4Wheel Preure Sensor Features:- Solar power charging, don't need to charge by connecting car cigarette lighter- At the same time, USB charging is also convenient and practical- Colorful LCD digital displaying, clear to show tire information- Wirele connect by external sensors, easy install- Built-in vibration sensor, the car automatically turns on when starting, and automatically turns off when the car stopsFunction:- Rear-time monitoring preure & temperature of 4 tires- Low air preure /High tire preure alarm- High temperature / Leakage / Low Battery AlarmSpecifications:- Material: ABS + Metal- External sensor working temperature: -20-60Package included:1 * Minitor4 * SensorsNote:The host must be turned on before installing the sensor. Pre and hold the left button for 3 secondsFor the first time, it is recommended to charge with USB for 1 hour