Bluetooth ELM327 is the newly developed wireless scan tool. It supports all OBD-II protocols; Works with all OBD-II compliant vehicles; Wireless (Bluetooth); Software included for Palm PDA; Software included for Windows PC; Software included for Windows Smartphone; Supports ISO 9141 KWP2000; Supports SAE J1850; Supports CAN bus; Functions: Read diagnostic trouble codes both generic and manufacturer-specific and display their meaning (over 3000 generic code definitions in the database). Clear trouble codes and turn off the MIL ("Check Engine" light); 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; Many others