Features: UD Main Functions&Features: 1.Available for cars with OBD2 and EUOBD port(Car automatic diagnosis system) ,plug and play 2. Screen 5.8 inch HD display 3.Multi-color design makes the screen more abundant and easier to read 4. Nano-technology to eliminate double reflections,more clear. 5. New function: Driving distance measurement 6.Rich Contents: speed,rpm,water temperature,voltage,instantaneous fuel consumption,average fuel consumption,driving distance measurement, voltage, shift reminders,fatigue driving reminders,low voltage alarm,high water temperature alarm,over speed alarm, engine failure alarm, eliminate the fault code,freely switch between kilometers&miles. 6. Auto power on/off: HUD start and off with vehicle started and shutdown, effective protection of the car battery;retaining the manual switch mode,more easy to control HUD. 7. Automatic and manual brightness adjustment mode,driving without glare Specification: Technical Parameters: Environment temperature: -40° ~ +80°, Atmospheric pressure:86~106KPa Relative Humidity: 10% ~ 95% Environmental noise: ≤ 60dB (A) Alarm sound level: ≥ 30dB (A) Working voltage: 9V ~ 16Vdc (12Vdc/400mA) Dimensions: 136x80x15mm/5.35x3.15x0.59inch Color: As Shown Quantity: 1 Set package: 1* host 1*OBD line 1* non-slip mat 1* reflective film 1* manual" 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.