Feature: The device is suitable for OBD2 gasoline vehicles manufactured in 1998 and later in the USA, and for EOBD-compliant gasoline vehicles from Europe manufactured from 2001 onwards. Bluetooth connection, no batteries, cables, or switches required. Wireless range up to 10 meters. Notice: 1. Not compatible with iOS devices such as or . For iOS devices, please choose a WiFi version. Compatible with Android devices. 2. Not intended for use with non-road vehicles or off-road equipment. 3. To confirm OBD II compliance, your vehicle must have a 16-pin DLC (Data Link Connector) under the dashboard, and the Vehicle Emission Control Information Label must indicate OBD II compliance. Compatible Systems: Designed primarily for use with Android smartphones and tablets. Also supports Symbian phones, Windows PCs, and laptops. Recommended Apps: Torque Pro, Torque Lite (free), OBD Car Doctor (free), available on Play. Multiple apps and installation instructions are included on the CD. Some applications may require payment. Run the CD to select the appropriate app. How to Use: Plug the device into your vehicle’s OBD2 port, start the engine, enable Bluetooth on your Android phone or tablet, search for "OBDII", pair using PIN 1234, launch the installed app, configure basic settings, and wait for successful connection to the vehicle's ECU. When switching between multiple vehicles, disconnect Bluetooth, close the app after testing one vehicle, then reconnect the device and re-pair Bluetooth when using with another vehicle. Sensor Data Display: 1. Engine speed (RPM) 2. Calculated load value 3. Coolant temperature 4. Fuel system status 5. Vehicle speed 6. Short-term fuel trim 7. Long-term fuel trim 8. Intake manifold boost pressure 9. Timing advance 10. Intake air temperature 11. Airflow rate 12. Absolute throttle position 13. Oxygen sensor voltage / associated short-term fuel trim 14. Fuel pressure Multi-Protocol Support: 1. ISO9141-2 5 baud init, 10.4 Kbaud 2. ISO14230-4 KWP 5 baud init, 10.4 Kbaud 3. ISO14230-4 KWP fast init, 10.4 Kbaud 4. ISO15765-4 CAN 11-bit ID, 500 Kbaud 5. ISO15765-4 CAN 29-bit ID, 500 Kbaud 6. ISO15765-4 CAN 11-bit ID, 250 Kbaud 7. ISO15765-4 CAN 29-bit ID, 250 Kbaud Note: Vehicle compatibility with all listed parameters depends on the manufacturer's implementation. The number of supported parameters varies by vehicle make and model. Package Includes: 1 x Diagnostic Device 1 x CD containing software and user instructions