Wire or Wireless:wired Origin:Mainland China Product Name:head-up display gauge color:white Car Make:OBD II OBD Function1:Speed OBD Function2:water temperature OBD Function3:Fuel consumption OBD Function4:Voltage KMH,MPH:overspeed digital gps speedometer:rpm water temperature alarm:water temp system hud car projector:voltage head up display:OBD2 +GPS or OBD2 +GPS+Navigati vehicle speed(Km/h or MPH):water temperature(C or F) fuel consumption:trip time ,ODO meter Over speed alarm, RPM Alarm:Water temperature alarm, error code Alarm gps satellite numbers:over speed alarm engine RPM:battery voltage,clock trip distance:clock,Kilometers per liter Battery Voltage alarm:driving direction,altitude battery voltage alarm:C1 HUD Head Up Display There are two different models for choose, please kindly read the product information clearly before purchasing.C3 HUD(OBD+GPS)C3 HUD(OBD+GPS) With live If you are not sure if your car model is compatible with OBD mode, please send your car model and year to customer service for inquiry. To use this product, you need to download navigation software. Please confirm that your phone can download it Specifications: 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 mode OBD2 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: OBDHUD C3 With live Navigation: Package Included: 1 x HUD 1 x OBD Cable 1 x Cigarette Lighter Cable 1 x English Manual 1 x Cleaning Cloth