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 pre to switch. Automatic brightne 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 II Port (Connect with car OBD port) Notes OBD2 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: Incompatibility: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, Simcaetc. Incompatibility:Some Japanese cars are not available: Suzuki, Mazda 6, INFINITI (QX50 Q50 Q501), Toyota AVANZA in 2013, Lexus (is250, ex250, ES300H), Honda (jazz, CRV) and cars manufactured before 2008. Incompatibility:Korean KIA and some cars of Hyundai (2013 Hyundai Sonata, 2017 KIA Soul PS, etc.) Incompatibility:Hybrid and diesel vehicles, pickups, RVs, cars with modified automotive computers, Volvo, Switzerland, Chrysler Group, all brand models under Fiat Group. Incompatibility:German cars before 2004 For the abovecars can not useOBD2 models , please use GPS models. Package Included: 1 x HUD Main Unit 1 x OBD2 Conector 1 x Non-Slip Base 1 x Windscreeen Film 1 x Original Box 1 x User Manual Do drop