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 battery4. 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. 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). Operating Temperature:-40℃-85℃. Operating Humidity:5%-95% RH Non-DewfallFunctions: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 RPMCalculated Load ValueCoolant TemperatureFuel System StatusVehicle SpeedShort Term Fuel TrimLong Term Fuel TrimIntake Manifold PressureTiming AdvanceIntake Air TemperatureAir Flow RateAbsolute Throttle PositionOxygen sensor voltages/associated short term fuel trimsFuel System statusFuel PressureFor Android users:Home screenGo to setting pageSelect V-LINK Default password is "1234"Device pairedRun Torque appGo to Torque app OBD II adapter settingChoose connecion type → BluetoothChoose Bluetooth device → V-LINKExit Torque app completelyRun Torque appConnected.For iOS users:Home screenGo to setting pageClick on Bluetooth function(Device name is invisible)Run Accurate appGo to Accurate app setting pageSelect Bluetooth and connectExit Accurate app and run again