DealPark Smart-iOS Automatic Power ON/OFF OBD2 OBD-II Bluetooth CAN-BUS Auto Diagnostic Tool Supports apple device that with Bluetooth 4.0 BLE module, such as iPhone4S, iPhone5, iPad, iPod, etc. & all Androids & PCs Exclusive Automatic Power ON/OFF--BatterySaver Technology Plug it in, leave it in, easy using. Supports all Androids & PCs. Supports apple device that with Bluetooth 4.0 BLE module, such as iPhone4S, iPhone5, iPad, iPod, etc. Get real-time data, including: Engine RPM, Calculated Load Value (CLV), Coolant Temperature (CTS), Vehicle Speed (VSS), Short Term Fuel Trim (STFT),Long Term Fuel Trim (LTFT), Intake Manifold Pressure (MAP), Timing Advance / Retard, Intake Air Temperature (IAT), Air Flow Rate (MAF), Absolute Throttle Position (TPS), Oxygen sensor voltages (HO2S), Fuel System status (Open / Close Loop), Fuel Pressure  Note: these functions depend on the software you installed on your Smartphone or PC, the sensor data available depend on your car implementation.