another original Konnwei bluetooth 3.0 car fault detectors (obd) with prepaid obd android ios and windows app that enable you to diagnose your vehicles with your smartphone tablet laptop or pc. Sleekly designed in several colour variant, fast, smart, powerful, beautiful, strong and intelligent devices that saves money, repair time and stress. They diagnose and clears fault codes. Reads live data stream. Displays I / M readiness status. Retrieves vehicle information ( VIN, CID, and CVN ). Works on all vehicles manufactured after 1996. Multi language, determines causation of check engine light and turns it off, clear codes and resets monitors.Battery check/ diagnosis when battery tester app is installed.Display engine RPM and calculate load value.Detect coolant temperature,fuel system Status,vehicle speed, intake manifold pressure,timing advance, air flow rate, absolute throttle position, oxygen sensor voltages.etc. A must have for all car owners drivers mechanics and auto electricians.