KONNWEI OBD II adapter is a powerful car diagnostic tool developed 1:It is compliant with full OBD II/EOBD specifications. Various wireless connection modes to connect your smartphone or pad. 2:It reads the real-time car engine data, such as engine speed, ignition time, fuel trim, water temperature, fuel consumption. 3:It support a variety of OBD II apps. KONNWEI OBD II adpater is a high-quality automotive Bluetooth 4.0 OBDII scanner. Features: 1. CLEAR CHECK ENGINE LIGHT - This iCar Pro code reader will help you save money and accurately diagnose check engine light problem. Very easy to use. 2. EASY FITMENT - The majority of cars made in the past 2 decades are fitted with an OBD2 diagnostic port, simply find the port and plug the iCar Pro in. 3. FIT AND FORGET - It really is possible to fit and forget beacuse it's micro size and unique power saving functionality that protects your battery 4. WORKS WITH HUNDREDS OF APPS - The KONNWEI Pro Bluetooth Low Energy device works with the most popular OBD apps. Please find download instruction for Android device in product description. 5. 2 YEAR WARRANTY - We offer a 2 year warranty as standard. If you have any problem with the device simply send it back and we will despatch a brand new replacement the following working day. 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) 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 Tips before your purchase: For your vehicle to be OBD II compliant it must have a 16-pin DLC (Data Link Connector) under the dash and the Vehicle Emission Control Information Label must state that the vehicle is OBD II compliant. To be sure your vehicle complies with OBD-II, look for a sticker on the vehicle under the hood in the engine compartment that clearly states "OBD II compliant or certified". OBD-II protocols supported: ISO 9141, KWP2000,SAE J1850, CAN ,J1850 VPW,J1850 PWM Vehicle Coverage: Works on all OBD2 Vehicles (1996 onwards in USA) and EOBD vehicles (Petrol cars from 2001 and diesel cars from 2003/2004 in Europe) How to setup Bluetooth pairing: BLE4.