Product Feature Heads Up Display: HUD with both OBD2 and GPS chipsets. OBD2+GPS Gauge, 3 LCD Screen Display, Can stick to windshield or put on dashboard, LED display more safe for driving. OBD2+GPS System:Display vehicle data such as speed, engine RPM, battery voltage, consumption, coolant temperature, turbo, oil temperature etc. Warnings related to exceeding the programmable speeds or RPM. Very clear in daytime and night, HUD power on/off with engine on/off, Easy for use. display the data clearly whether day or night. 3 different display interface can be free switched in one screen. Easy To Install: Stick to windshield or put on the dashboard. The bracket can be rotated in all directions to adjust the visual angle and height. The Smart Gauge connects to the vehicle via OBD cable, plug and play. Can display speed, water temperature, voltage, consumption, clock, distance travelled per trip, time travelled per trip, oil temperature, intake pressure(psi) etc. Multi Reminders And Alarm:9 kinds display interface. The display interface can be free switch. Alarm function, improve driving safety: speed alarm/ high water temperature alarm/ low voltage alarm/ fatigue driving alarm/ engine fault alarm/ overspeed alarm/ gear shift reminder/ fault code.When the speed is switched to MPH per mile, the water temperature be automatically switched to Fahrenheit degrees, the single driving distance also be automatically switched to Miles. Plug And Play: Car HUD is suitable for all cars with OBD2 interface.Plug-and-play HUD. The default display OBD2+GPS mode at the same time,if your car donnot have OBD2 protocol,it only show GPS function. Colour:BLACK Material:ABS Package Contents: 1PCS Car HUD 1PCS wiring harness Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.