Trainshow A8 Head Up Display 5.5'' OBD II Car Windshield HUD with Speed Fatigue Warning RPM MPH Fuel Consumption Multiple-Color Bright Speeding Warning

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About Trainshow A8 Head Up Display 5.5'' OBD II Car

French series cars and Italian series cars are recommended to buy GPS models.Model: A8 Language: English Color: Black Screen: 5.5 inch Data measurements: engine temperature,fuel consumption,live data,reads and clears trouble codes,RPM,Vehicle speed Package weight: 0.304 kg Product size (L x W x H): 13.00 x 7.50 x 1.30 cm / 5.12 x 2.95 x 0.51 inches Package size (L x W x H): 16.80 x 13.00 x 4.30 cm / 6.61 x 5.12 x 1.69 inches Package Contents: 1 x A8 Head Up Display, 1 x Reflective Film, 1 x OBD Cable, 1 x Antiskid Pad, 1 x English User Manual Q&A A:Please make sure that your car has equiped OBD II certificate Port. B:Be aware of your car the year of manufacture,which earlier than 2003 year may not available for this A8 HUD. C:If you find out that HUD displays only voltage for 30 seconds and then turn off automatically, this is because the interface isn't OBD II or EOBD.Or try on the other car D:For old cars, you should set your start voltage at 12.8V, for your battery is too old to provide 13.2V voltage. E:Driving speed this HUD displays is 5km faster than actual speed by factory default in order to help car drivers not drive overspeed. You can adjust it to your personal preference.