Features: 1.All in One Display: Vehicle speed, water temperature, voltage, fuel consumption, speed, single mileage, time, intake pressure, oil temperature, air fuel ratio, turbine pressure, intake pressure. 2.Diagnostic Scan Gauge: Can quickly perform acceleration test, brake test, clear fault code, read data stream, help you to accurately identify the cause of your engine failure. 3.Alarm: Adopts high precision warning systems, and in the overspeed, abnormal speed, water temperature is too high, voltage abnormal situation is immediately alarmed. 4.Practical: Accessing data directly from car computer and display it in a large digital 3.0in color LCD, avoid accident happening when you're driving with head down. 5.Wide Application: Works on OBD2 gasoline vehicles produced after 2004 in USA, and after 2008 in other countries. Simply plug into OBDII Port, it will get power on and follow the on screen instruction to go. Specification: Item Type: OBD HUD Digital Meter Material: ABS, metal Function Display: Vehicle speed, water temperature, voltage, fuel consumption, speed, single mileage, time, intake pressure, oil temperature, air fuel ratio, turbine pressure, intake pressure Diagnostic Features: Acceleration test, brake test, clear fault code, read data stream Alarm: Overspeed alarm, speed alarm, water temperature alarm, voltage alarm Application: Suitable for OBD2 model can work for OBD2 gasoline vehicles produced after 2004 in USA, and OBD2 gasoline vehicles produced after 2008 in other countries. Incompatibility American Models: Replacement for Dodge Replacement for JEEP Replacement for IMSEOER Replacement for Chrysler and cars manufactured before 2004 in USA Incompatibility French and Italian Cars: Replacement for Fiat Replacement for Maserati Replacement for DS Replacement for PEUGEOT Replacement for Citroen Replacement for Simca Incompatibility Japanese Cars: Replacement for Suzuki Replacement for Mazda 6 Replacement for INFINITI QX50 Q50 Q501 Fits for AVANZA in 2013 Fits for ES300H Fits for jazz CR-V and cars manufactured before 2008. Incompatibility Korean Cars: Replacement for Hyundai Sonata 2013 Replacement for Soul PS 2017 Incompatible Hybrid and diesel vehicles, pickups, RVs, cars with modified automotive computers Replacement for Switzerland Replacement for Chrysler Group Replacement for Fiat Group all brand models Incompatible German cars before 2004 For the above cars can not use OBD2 models , please use GPS models.