Car head display screen, smart digital speedometer, alert, RPM, water temperature, tachometer clock, G3 B3 announcement, OBD2, GPS, smart car hood, security alarm

• Digital Speedometer: The digital speedometer feature allows you to easily monitor your car's speed, making it easier to stay within the legal limit. • GPS Navigation: With the built-in GPS navigation system, you can easily find your way to your destination without relying on old maps. • Security Alarm: The security alert feature notifies you when someone tries to break into your car, ensuring your vehicle is safe and secure. • Tachometer: The tachometer feature allows you to monitor the engine's RPM, making it easier to diagnose any issues with your car. The package includes: 1 × main unit display. Please note the following: Model B3 is an OBD system. Model G3 is a GPS system. B3 functions include: Car speed, tachometer, water temperature, fuel consumption, electrical voltage, time, individual driving distance, individual driving time. Alarm: Over-speed alarm, speed alarm, water temperature alarm, voltage alarm, fatigue driving reminder alarm. G3 GPS HUD functions: Functions: vehicle speed, clock, compass, single driving distance, driving time, satellite count, altitude, acceleration time in kilometers. Alarm: over-speed alarm, fatigue driving reminder alarm. Note: 1. The OBD head display is only suitable for gasoline vehicles. 2. Gasoline vehicles under the OBD2 agreement produced in the United States after a certain date can be used, and gasoline vehicles under the OBD2 agreement produced in other regions afterward. However, some cars may still be incompatible; please contact us for confirmation before purchase. Automatic matching models, plug and play according to OBD or EUOBD (On-Board Diagnostic System). Connection and operation. -Judgment method: open and look for the label under the hood. The lf OBD2 CERTIFILE (as shown in Figure 1) can be installed or check if there is a diagnostic port for vehicles under number (as shown in Figure 2). (Most vehicles can be used after a certain date, and most other vehicles.)