OBD2 HUD Car Head Up Display 4 X6 Data Diagnostic Tool Voltage Alarm 55 A8 LED Windshield Projector Speed Fuel Warning Features: HD projection,Safty driving,simultaneous projection, no need to lower your head to know the dashboard data. Multiple display information and alarm status: speed,RPM, water temperature, voltage, single driving distance, low voltage alarm, high water temperature alarm, over speed alarm. Multi-color design makes the screen projection clearer , without fear of glareNano-technology to eliminate double reflections, clarity as day and night. Easy to Install, plug and pla ,only need connect the HUD with Car OBD port by OBD cable, HUD will display when car engine on / off. Automatic switch :turn on and turn off with the car,Protect the car battery, you also can use manual switch mode. Easy to use:Flick up and down, long press to switch. Automatic brightness adjustment mode. Specificaitons Compatiable for:Cars in OBD II or CERTIFILE standard or check if there is a car diagnostic socket under the steering wheel. Speed display Unit: KPM,KMH (Exchangable) Display data: Speed, Clock, Oil consumption, RPM, Water temperature Connection: OBD IIPort (Connect with car OBD port) Notes O BD2 model can work for OBD2 gasoline vehicles produced after 2004 in USA, and OBD2 gasoline vehicles produced after 2008 in other countries . OBD2 model is not applicable for the following cars: I ncompatibility: American models: Dodge, JEEP, IMSEOER, Chrysler and cars manufactured before 2004 in USA Incompatibility: French and Italian cars are not available: Fiat, Maserati, Lamborghini, DS, PEUGEOT , Citroen, Renault, Sim c a etc. Incompatibility: S ome Japanese cars are not available: Suzuki, Mazda 6, I NFINITI (QX50 Q50 Q 501), Toyota A VANZA in 2013, Lexus (is250, ex250, ES300H), Honda (jazz, CRV) and cars manufactured before 2008. Incompatibility: Korean K IA and some cars of Hyundai(2013 Hyundai Sonata, K IA Soul PS, etc.) Incompatibility: Hybrid and diesel vehicles, pickups, RVs, cars with modified automotive computers, Volvo, Switzerland,