1. CLEAR CHECK ENGINE LIGHT - This Pro code reader help you and accurately diagnose check engine light problem. Very easy to use. 2. EASY FITMENT - The majority of cars the past 2 decades are fitted with an OBD2 diagnostic port, simply find the port and plug the Pro in. 3. FIT AND FORGET - It really is possible to fit and forget beacuse it's micro-size and power saving functionality that protects your battery 4. WORKS WITH HUNDREDS OF APPS - The Pro Bluetooth Low Energy device works with the most popular OBD apps. Please find download instruction for Android device in product description. 5. 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 cars from 2003/2004 in Europe). Operating Temperature:-40℃-85℃. Operating Humidity:5%-95% RH Non-Dewfall 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 ("Check Engine" light) Engine RPM Calculated Load Value Coolant Temperature System Status Vehicle Speed Short Term Trim Long Term Trim Intake Manifold Pressure Timing Advance Intake Air Temperature Air Flow Rate Absolute Throttle Position Oxygen sensor voltages/associated short term trims System status Pressure For Android users: Home screen Go to setting page Select V-LINK Default password is "1234" Device paired Run Torque app Go to Torque app OBD II adapter setting Choose connecion type → Bluetooth Choose Bluetooth device → V-LINK Exit Torque app completely Run Torque app Connected. For iOS users: Home screen Go to setting page Click on Bluetooth function (Device n