LC Prime HUD Car Head Up Display 4cOBD2 Car Driving Computer 5.5 Inch Large Screen synthetic blue, by AUTOMATIC ADAPTATION MODELS: Understand the brand models, with OBD II or EUOBD (OBD) models is in use, choose a common display mode, high speed display mode or the automatic display mode, free switch miles to kilometers, greatly facilitate British steam car dashboard AUTOMATICALLY: Automatic switch machine, start with the car, along with the car off, effectively protect the vehicle battery, and retained the manual switch machine, more beneficial to control the HUD, automatic and manual brightness adjustment mode, driving not dazzling ALARM TIP: Speed alarm, to shift in time and achieve fuel saving purpose, for the novice also special significance; selection speed single or four alarms, more conducive to driving safety DISPLAY: Vehicle speed, engine speed, temperature (voltage / throttle position / ignition advance angle / 100 kilometers acceleration time), instantaneous fuel consumption, average fuel consumption, mileage, suggesting that low oil volume, rest prompt, engine failures, also shows. 5.5 Inches display area, more conducive to data reading WHAT YOU GET: LC Prime 1x HUD, 1x OBDII or EU OBD, 1x non-slip mat, 1x Reflection film. And our 60-day warranty and friendly customer service. Great choice for & Gift idea.