CODASH Car Tire Preure Monitoring System TPMS Sensor Solar Power Digital Tyre Preure External Sensors for 4 Wheel TMPS Solar TPMS Features: Solar power charging, don't need to charge by connecting car cigarette lighterAt the same time, USB charging is also convenient and practicalColorful LCD digital displaying, clear to show tire informationWirele connect by external sensors, easy installBuilt-in vibration sensor, the car automatically turns on when starting, and automatically turns off when the car stopsSolar TPMS Function:Rear-time monitoring preure & temperature of 4 tiresLow air preure /High tire preure alarmHigh temperature / Leakage / Low Battery AlarmSolar TPMS Specifications:Material: ABS + MetalExternal sensor working temperature: -20-60Solar TPMS Package included:1 Set Car Tyre Preure Monitoring SystemNote: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 hourTo All BuyersIf you have any problems when you get parcel,please feel free to contact me,we'll be only too glad to aist you,have a good day.