ELM327 USB

Elm327 Usb is easily plugged into the car or laptop and communicates via obd software. Click this site http://www.totalcardiagnostics.com/elm327 for more information on elm327 usb. It is easy to use and gives complete information about the working of your car basically diagnose problems as well as is helpful in resetting faults. It saves a trip to mechanic every time if your car is giving you trouble.