The Codebreaker 4-Mode OBD2 Computer helps you monitor engine performance, fuel economy and diagnostic data in real time. It plugs into your vehicle’s OBD2 port and combines four useful functions in one compact unit: Scan Tool, Digital Gauges, Trip Computer and Data Memory. It is a practical way to diagnose faults, track performance and access key ECU data while driving. Features Plug and play fitment Monitor engine performance and fuel economy Save time and money with engine fault diagnosis Trip Computer Digital Gauges Fault Scanner Data Memory Kit Includes 4-Mode OBD2 Computer Velcro mounting strips OBD2 DLC connector cable USB cable User guide Specifications Display: Back-lit, 2 lines x 16 character display Power: 8 to 18 volts via vehicle power Dimensions: 126 x 41.6 x 26.6mm Net Weight: 0.30kg Preset Measured Parameters Fuel system status Vehicle speed Engine coolant temperature Fuel rail pressure Intake manifold absolute pressure Engine RPM Calculated engine load value Ignition timing Intake air pressure Absolute throttle position Battery voltage Short term fuel trim Oxygen sensor output voltage Airflow rate Commanded secondary air status