1.Light sensor:HUD can automatically adjust the brightne according to the environment 2.Speed icon: OBD mode:speed Car ECU data,GPS mode:satellite data like compa 3.System icon:short pre the +key within 5 seconds to choose OBD orGPS system 4. Multi-function area: Speed,water temperature,voltage,mileage,driving time,fuel consumption, altitude,clock,100 kilometers acceleration 5. a +=100km acceleration, ASL=altitude, LHK=fuel consumption, MIN=travel time, TRIP=travel mileage 6. Water temperature icon, Voltage icon 7. Over-speed alarm icon 8. Driving direction: Driving directionindication:W=West, N=North, S=South, E=Eastwhenthe vehicle speed >5KM / H 9. Speed display area 10. Speed unit: KM/H=kilometer/hour, MPH=Mile/hour 11.Satellite icon:flashing will stop until satellite numbers been got, please move the car to the open road, the GPS light will stay on if satellite signal been founded. 1* device, 1* OBD cable, 1* USB cable, 1*anti-slip mat 1* English Manual Compatible with all models in the market New car, old car, electric, hybrid, van, truck, paenger car, new energy car, modified car are suitable HUD projection displayVehicle speed, RPM, water temperature, voltage, fuel consumption,100 km acceleration, altitude, travel time, travel distance,Driving direction,clock,Photosensitive element, speed progre bar Dual system display, one button switchYou can choose the OBD system display, you can also switch to a fully compatible GPS system Muti-function displayA variety of interfaces can be switched freely to meet your different dataMode 1: Speed+clock+Driving direction+ peed progre bar+Speeding alarm iconMode 2 : Speed+RPM+Driving direction+peed progre barMode 3 : Speed+travel distance+Driving direction +peed progre barMode 4 : Speed+travel time+Driving direction +peed progre barMode 5: Speed+voltage+voltage iconDriving direction +peed progre barMode 6: Speed+water temperature+Water temperature iconDriving direction+peed progre barMode 7: Speed+altitude+Driving directionMode 8 : Speed+fuel consumptionMode 9 : Speed+peed progre bar+Driving directionMode 10 : Speed+Driving directionMode 11 : Speed+peed progre barMode 12 : Speed Integrated design of hoodBlock the excelight of the head-up display, driving at night is not dazzling GPS + Beidou dual-mode chipUsing 10 Hz high refresh rate GPS + Beidou dual-mode chipRefresh rate 10 sheets/second, fast refresh speed, no delay Hardware upgradeNew low power consumption chip, standby power consumption is significantly reduced Speed display is consistent and smoothIntroducing the core algorithm of Taiwan technology, adding speed lubrication effect does not jump speed, the display is more consistent and smooth.Adding speed lubrication effect does not jump speed, showing smooth and smooth humanitarian alarm settingsSet different parameters over limit alarm, icon flashing alarm, sound alarm, improve driving safety ClockSpeed+time+driving direction, safer and more convenient Please note: OBD2 model can work for OBD2 gasoline vehicles produced after 2004 in USA, and OBD2 gasoline vehicles produced after 2008 in other countries. OBD2 model is not applicable for the following cars: Incompatibility: American models: Dodge, JEEP, IMSEOER, Chrysler and cars manufactured before 2004 in USA Incompatibility: French and Italian cars are not available: Fiat, Maserati, Lamborghini, DS, PEUGEOT , Citroen, Renault, Simca etc. Incompatibility: Some Japanese cars are not available: Suzuki, Mazda 6, INFINITI (QX50 Q50 Q501), Toyota AVANZA in 2013, Lexus (is250, ex250, ES300H), Honda (jazz, CRV) and cars manufactured before 2008. Incompatibility: Korean KIA and some cars of Hyundai (2013 Hyundai Sonata, 2017 KIA Soul PS, etc.) Incompatibility: Hybrid and diesel vehicles, pickups, RVs, cars with modified automotive computers, Volvo, Switzerland, Chrysler Group, all brand models under Fiat Group. Incompatibility: German cars before 2004 For the above cars can not use OBD2 models , please use GPS models.