C3 OBD2 + GPS Mode Car Head-up Display HUD Overspeed Speed Water Temperature Too High Voltage Too Low Engine Failure Alarm Fatigue Driving Reminder Navigation Function 1. Screen size: 5.1inch 2. Product size: 42x110x77mm 3. Bare metal weight: 130g 4. OBD mode display information: vehicle speed, speed, water temperature, voltage, mileage, driving time, fuel consumption, local time, oil temperature, driving direction, number of satellites, turbine pressure, air-fuel ratio, intake pressure, acceleration test, brake Test, 100 kilometers acceleration test, read the entire vehicle data stream, alarm: overspeed alarm, speed alarm, fatigue driving reminder, water temperature too high, voltage too low, engine failure alarm 5. GPS mode display information: vehicle speed, voltage, mileage, driving time, local time, altitude, driving direction, number of satellites, acceleration test, brake test, 100 kilometers acceleration test, alarm: overspeed alarm, low voltage alarm features : Stereoscopic imaging uses semi-transparent and semi-reflective lenses to suspend the three-dimensional display of information in the air; no reflection, zero ghosting, and clearer display during the day 6. Navigation method: need to download WiiYii APP software, HUD and smart phone for Bluetooth wireless connection, the navigation information will be displayed synchronously through APP 7. Packing list: host x1, OBD cable x1, non-slip mat x1, manual x1, USB cable x1