It is for scanning faults cars and also clears "check engine" lights
Its works with an App that's is available on the app store
Features of OBDII
Clear error codes and turn off engine check light
Explains error code and provide possible solutions in the form of text and video
Compatible with both iPhone and android phones
Works with Car scanner App that is available for iPhone and android users
coolant temperature
fuel system status
vehicle speed
short term fuel trim
long term fuel trim
intake manifold pressure
timing advance
intake air temperature
air flow rate
absolute throttle position
fuel system status
fuel pressure
etc.