Car OBD2 Head-up Display Digital Speedometer Temperature Display Auto OBD2 Head-Up Display Integrated Shading Design Accessories Feature:1. Multi-function: Multi-function switching, vehicle speed, water temperature, voltage, single mileage, four functions can be switched at will. 2. Five Alarm Functions: Overspeed alarm, voltage alarm, water temperature alarm, fatigue driving and fault alarm. 3. High-definition Display: Large font, high-definition display, the front adopts metal nanotechnology to eliminate redundant reflections and make the screen display clearer. 4. Integrated Shading Design: Self-contained hood, integrated shading design, more intimate design, cover the display screen light, night driving is not dazzling. 5. Automatic Adjustment: Automatically switch the machine on and off, as the car starts and stops, automatically starts and shuts down; adaptive photosensitive, HUD can automatically adjust the brightness, and the brightness changes naturally with the environment.Specification: Product name: OBD2 car hud head up display Model: M3 Material: ABS+PC Voltage: 12V Colour: Black Screen Type: LED Backlight Picture tube: LED Input signal: car OBD2Size: about 86*37*16mm/3.39*1.46*0.63inch Weight: 100g Scope of application: gasoline vehicles with OBD2 agreement produced in the United States after 2004, and gasoline vehicles with OBD2 agreement produced in other regions after 2008. Incompatible: not suitable for gasoline-electric hybrid and diesel vehicles, pickup trucks, RVs, cars with modified car computers, not suitable for Swiss Volvo, for Chrysler Group, for all brands of Fiat Group models. Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 x HUD Head-up Display 1 x OBD line 1 x Reflector 1 x Non-slip double-sided sticker 1 x Instruction