Features: Suitable for all on the market, Equipped with high-precision GPS + Beidou dual-channel moduleSolar charging function, Use the light intensity sensed by the sensor to adjust the screen brightnessAdopt color screen high-definition LCD displayAdopt carbon fiber appearance body with the car, automatic sleep function when parkingProduct This product is a direct tire pressure monitoring system, which can monitorTire pressure and temperature status, abnormal conditions and alarm, you do not need to useUnscientific methods such as visual inspection and knocking on the tires can be used to whether the tires are leaking,There is no need to worry about abnormal tire pressure and temperature.Product parametersSolar Vehicle Speed Tire Pressure MonitorPower supply: DC5VSolar charging: 100MAGPS data refresh rate: 1 sWireless transmission frequency: 2.4GHzGPSSpeed accuracy: Less than 0.36Km/hGPSBattery: 750MAWorking temperature: -40~+80Cold time: 32s (average)Hot time: 32s (average)Color: blackMaterial: ABS+PCStyle: Built-InProduct FeaturesMain function and alarm functionVehicle speed, time, altitude, tire pressure, tire temperature displayTire pressure alarm, tire temperature alarmPackage Contents:1 x heads up displayOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.