Features: Applicable to domestic car series, Asian car series, American car series and European car series, Equipped with high-precision GPS + Beidou dual-channel module Combined with TPMS tire pressure monitoring system, GPS head-up display, vehicle inclinometer, three major functions, Use the light intensity sensed by the sensor to adjust the screen brightness. Adopt color screen high-definition LCD display, Adopt carbon fiber appearance body design, Using free rotation, sensitivity is high with the car, automatic sleep function when parking. Product Features Main function and alarm function Vehicle roll angle and pitch angle display, vehicle speed, altitude, and longitude, time, voltage, compass display Tire pressure, tire temperature, tire pressure alarm, tire temperature alarm. product This product continues to use TPMS tire pressure monitoring system, GPS car head-up display The concept of combining with the three functions of the vehicle-mounted inclinometer greatly improves the product The security level for users. Through the GPS/Beidou dual-channel module to The advantages of satellite acquisition data, dual signal stability, etc., are commonly used in all There are models, which are a must-have artifact for self-driving enthusiasts. Pitch angle: -40~ +40 Roll angle: -40~ +40 GPS data refresh rate: 1 s Wireless transmission frequency: 2.4GHzGPS Speed accuracy: Less than 0.36Km/hGPS Vehicle Tire Pressure Monitoring Smart Voltage measurement range: DC11.5V ~ 30V Voltage measurement accuracy: 0.5V Working temperature: -40~+80 Cold time: 32s (average) Hot time: 1 s (average) Material: Plastic colour: black Package Contents: 1 x car hud head up display(Built-in Models) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.