ELM327 WiFi OBD Code Scanner Support Android and iPhone iPad Software V2.1Software Version: V2.1Hardware version: V1.5Highlight of WIFI ELM327 OBD2 Scanner1.It supports all OBD-II protocols and is dispatched with a number of compatible programs.2.The output protocol (connection to laptop) is USB cable.3.It is easy to use and very useful to diagnose cars. It use ELM327 software.Functions: 1. Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).2. Clear trouble codes and turn off the MIL (“Check Engine” light)3. Display current sensor data, including: Engine RPM; 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 Pressure.