There are two different models for choose, please kindly read the product information clearly before purchasing.C3 HUD(OBD+GPS)With live Navigation/ C3 HUD(OBD+GPS)Specifications:ModelsC3 HUD(OBD+GPS)With live Navigation/C3 HUD(OBD+GPS)Withoutlive NavigationCompatible: C3 compatible with all carsOBDHUD C3NOTWith live Navigation:C3 including OBD system and GPS system,dual systems,and has two cables,OBD cable and USB cable.OBD2 mode working voltage: 5V~18VDC (12vdc/200mA)GPS mode: when voltage is higher than 24v, please use a USB cable for GPS modeOBD2 mode including speed,RPM,water temperature,battery voltage,clock,driving time,driving distance,fuel comsumption,altitude,satellite numbers,turbine pressure,air-fuel ratio,intake pressure,KM/H,MPH,data stream.GPS mode supports speed,driving time,driving distance,satellite numbers,data stream.C3 supports speed alarm,RPM alarm,water temperature alarm,voltage alarm,DTCS alarm,fatigue driving reminder.Brightness can be adjusted according to the environment.Auto automatic light sensitive, 1 for the darkest, 8 for the brightest.OBDHUD C3 With live Navigation:C3 Plushave additional Navigation Features,can display the driving direction.Package Included:1 xHUD1 xOBD Cable1 x Cigarette Lighter Cable1 xEnglish Manual1 xCleaning Cloth Do dropshipping ?Yes,we do.If you have any question please contact us. Production Material Safety? All products are 100% brand new, workable and checked carefully before sending out. When is the parcel sent? We will send out order within 5 workdays. The delivery time will vary according to different countries and will be affected by weather, public holidays and so on. If order doesn't received in declare time, please contact us. How about refund?Full refund if the item does not match the description or defective.If there are any other problems , Click on Help Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.