OBD display information: driving speed, engine speed, fuel consumption, water temperature, voltage, driving distance, driving time, manual/automatic brightness adjustment, public mile switching  Alarm: overspeed alarm, water temperature alarm, low voltage alarm, shift reminder, fatigue driving reminder, detection of fault code, elimination of fault code,   GPS display information: travel speed, local time display, driving direction, driving distance, driving time, public mile switching, voltage, altitude, automatic sensitization, satellite signal display, overspeed alarm.   Alarm: overspeed alarm, low voltage alarm   package:               1 x S7 Head Up Display                               1 x Reflective Film                               1 x OBD Cable                               1 x Antiskid Pad                               1 x English User Manual