Bluetooth ELM327 V2.1 OBD2 Car Diagnostic Tool WIFI ELM 327 V1.5 Code Reader For IOS Android PC BT ELM327 V1.5 OBD II ScannerQuick scan differences between 3 Types Elm327 :WIFI / Bluetooth ELM327 V1.5 All OBD2 Protocols Supported:WIFI ELM327 V1.5 supported OS : IOS / Android / windowsBluetooth ELM327 V1.5 supported OS : Android / windowsWIFI / Bluetooth ELM327 V1.5 Supported Software :WIFI / Bluetooth ELM327 V1.5cars coverage:(only support 12V Gasoline car , diesel car not supported )1.American car support car after 1998 year2.European car support car after 2000 year3.Asian car support car after 2002, (Japan&Korea&&so on)4.Russian cars support after 2012 year (For VAZ/UAZ/GAZ car)Key Features: Wireless scanning for tool, support all OBD2 protocols Compatible with most OBD II compliant vehicles 3000 code definition database Read diagnostic trouble codes 16-pin socket adaptor for wifi interface Built-in indicator lightsDisplay and read: Engine RPMs Calculated load value 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 Oxygen sensor voltages Associated short term fuel trims Fuel system status Fuel pressureWIFI ELM327 V1.5 DIsplay :Bluetooth ELM327 V2.1 / V1.5 Display :