Description : OBD2 + GPS with Dual system and 2 way connection , USB or OBD Portal , can work with most car models . Easy to install : Put on the front of the Windshield , plug - in the Car OBD port or Plug in the Cigarette Lighter USB port . The accessories include 2 cable for USB and OBD Port , Most of the vehicle with OBD port will fit The display screen is adjustable design , you can adjust the screen to a comfortable visual angle . Help the driver less distraction during driving , check the speed and other information easily . Also Speed Alarm RPM Alarm , Water Read all Data , DTCS STATUS , FREEZE DTCS , LOOP STATUS , ENGINE LOAD , COOLANT TEMP , FUEL TRIM S13 , FUEL TRIM L13 , FUEL TRIM S24 , FUEL TRIM L24 , FUIELRAIL PRESS , INTAKE PRESSURE , TACHO , SPEED , IGNITION , INTAKE AIR TEMP , MAF RATE , THROTELEPOS , OXYGENSEN POS1 , OXGENSEN POS11 , OXGENSEN POS12 , OXYGENSENPOS13 , OXYGENSEN POS14 , OXYGENSEN POS21 , OXYGENSEN POS2 , OXGENSEN V - 23 , OXYGENSEN V - 24 , OBD TYPE , OX Temperature Alarm , Battery Alarm , DTCS Alarm RPM alarm Water temper Alarm , DTCS Alarm , Fatigue Driving Reminder . Connect with Mobile by Bluetooth , will get more Road Condition , Preferred Travel Route , Map update and Road Track Display . Specification : Model : C3 Material : ABS Colour : Black System : OBD2 + GPS dual mode Screen type : TFT Screen size : 4 . 0 inch Material : ABS Size : Approx . 42x110x77mm / 1 . 7 x 4 . 3 inch Ambient temperature : - 40 C - 80 C atmospheric pressure 86 - 106kPa Relative humidity : 10 %- 95 % Environmental noise 60dB ( A ) Alarm level : 30dB ( A ) Working voltage : 5 ~ 18VDC ( 12VDC / 200mA ) Product size : 128 * 116 * 78mm Applicable models : suitable for most cars Package Includes : 1x C3 Head Up Dispay 1x OBD Cable 1x Anti - Slip Mat 1x Specification 1x Usb Cable