mode information display:vehicle speed, water temperature, voltage, consumption, RPM, single mileage, totalulative mileage, vel time, system time, intake preure, oil temperature, air- ratio, turbine preure, intake preure, acceleration test, brake test, read data stream.Alarm:Overspeed alarm, Speed alarm, High water temperature alarm, Low voltage alarm, Engine fault alarm, Clear fault code, Free switching between kilometer and miles, KM/h & MPH Switch, °C & ℉ Switch freely.C500 Functions:1. Alarm Icon: High water temperature / Low voltage alarm / shift reminder / over speed alarm /igue driving / Engine Error2. Multi-functions display: RPM / Voltage / driving distance /clo/ water temperature / consumption3. Light r:HUD can automatically adjust the brightne according to the envment4. Mileage unit:TR means the driving distance from engine start to off5. consumption unit: unit of Average consumption per hundred kilometers / instantaneous consumption =AVG6. Speed:dial display the vehicle driving speed7. Speed unit :KM/H=kilometer/hour, MPH=Mile/hour

1. Envment temperature: - 40 0C- +80 0CBarometric pre: 86-106KPaRelative humidity: 10%-95%Envment voice: