・Automatic adaptation models,in line with OBDII or EUOBD Plug-in models (car automatic diagnostic system) ・3.5" large digital screen,quality windshield projector,small for easy organization ・KM/H speed unit and MPH switch freely ・Free to adjust the brightness. Automatic and manual brightness adjustment mode,not dazzling ・Model design: new sun hood tooling design ・7 different functions to freely combine,choose your favorite combination ・In addition to the device can work well on standard OBDII EUOBD cars,it also supports some new hybrid and auto start/stop cars Note: OBDII model can work for OBDII gasoline vehicles produced after 2004 in the USA,and OBDII gasoline vehicles produced after 2008 in other countries Specification: ・Ambient temperature: -40℃ - 120℃ ・Atmospheric pressure: 86-106KPa ・Relative humidity: 10%-95% ・Environmental noise: ≤60dB(A) ・Working voltage: 11V-18V DC (DC 12V/200mA) ・Standby current: about 20mA ・Screen type: LED screen ・Screen size: 3.5 inch ・Product size: 90x53x26mm OBDII model is not compatible for: ・American car models: Dodge,JEEP,IMSEOER,Chrysler and cars made before 2004 in the USA ・French and Italian car models: Fiat,Maserati,Lamborghini,DS,PEUGEOT,Citroen,Renault,Simca,etc ・Japanese car models: Suzuki,Mazda 6,INFINITI (QX50 Q50 Q501),Toyota AVANZA in 2013,Lexus (is250,ex250,ES300H),Honda (jazz,CRV). And cars made before 2008 ・Korean KIA and some Hyundai cars (2013 Hyundai Sonata,2017 KIA Soul PS,etc.) ・Hybrid and diesel vehicles,pickups,RVs,cars with modified automotive computers,Volvo,Switzerland,Chrysler Group,all brand models under Fiat Group ・German cars made before 2004 ・Above mentioned cars can't use OBDII models,please use GPS models Package included: ・1 x Car Digital Speedometer Head Up Display ・1 x OBD Cable ・1 x Reflecting Film ・1 x Anti-slip Mat ・1 x English and Chinese User Manual ・Other things not included