1The display area is 5.5 inches which is very clear for driver to read data. 2This product can display driving speed, engine speed, instantaneous fuel consumption, real-time voltage, real-time water temperature and other information 3You can choose manual or automatic brightness adjustment, switch in public mile, number of throttles 4It will display the ignition advance angle, 100km acceleration time, cruising range and reminder, single/multi-segment alarm, display mode selection 5With overspeed alarm, shift reminder, water temperature alarm and voltage alarmFeatures: 1. The display area is 5.5 inches which is very clear for driver to read data. 2. This product can display driving speed, engine speed, instantaneous fuel consumption, real-time voltage, real-time water temperature and other information 3. You can choose manual or automatic brightness adjustment, switch in public mile, number of throttles 4. It will display the ignition advance angle, 100km acceleration time, cruising range and reminder, single/multi-segment alarm, display mode selection 5. With overspeed alarm, shift reminder, water temperature alarm and voltage alarm Specification: Condition: 100% Brand new Item: Display Package List: 1 x Display 1 x OBD Cable 1 x Anti-Slip Mat 1 x Reflective Film 1 x User Manual Note: 1. OBD2 scope of application: The OBD2 protocol gasoline vehicle produced by the US Department after 2004, the OBD2 agreement gasoline vehicle produced in other regions after 2008 2. The OBD2 HUD is not applicable to the following common models: OBD2 models are not available in the US: fit for Dodge, fit for JEEP, fit for Sail, fit for Chrysler, models produced before 2004 and 2004 All French and Italian models of the OBD2 are not available: fit for Fiat, fit for Maserati, fit for Lamborghini, fit for DS, fit for Citroen, fit for Renault, fit for Simka, fit for Amirka, etc. OBD2 Japanese models are not available: fit for Suzuki, fit for Mazda 6, fit for Infiniti (QX50 q50 q501), fit for Toyota avanza in 2013, fit for Lexus (is250, ex250, ES300H) fit for Honda (jazz, CRV) and cars produced before 2008. South Korea's fit for Kia and modern models do not use OBD models (2013 fit for Hyundai Sonata, 2017 fit for Kia Soul PS, etc.) Hybrids with diesel and electric vehicles, pickup trucks, RVs, and modified car computers cannot use HUD.