Car hud display, obdⅱ+gps smart gauge high definition speedometer car diagnostic tool obd fault code elimination safe driving computer overspeed fault alarm for all vehicles

Obdⅱ mode display: vehicle speed, rotate speed, water temperature, voltage, driving distance, driving time, fuel consumption, local time, oil temperature, turbine pressure, 100 km acceleration test. alarm: overspeed alarm, rotate speed alarm, fatigue driving alert, high water temperature alarm, low voltage alarm, engine fault alarm. gps mode display: speed, voltage, mileage, driving time, local time, altitude, driving direction, number of satellites, acceleration test, compass. the hud avoids the danger of the driver looking down at the dashboard, which ensures the driver's safety and helps the driver stay in top condition. obd+gps smart gauge with adjustable bracket. 2 installation methods: put on dashboard/stick to windshield.