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 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. 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 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 Pressure Tips before your purchase:For your vehicle to be OBD II compliant it must have a 16-pin DLC (Data LinkConnector) under the dash and the Vehicle Emission Control InformationLabel must state that the vehicle is OBD II compliant. To be sure your vehicle complies with OBD-II, look for a sticker on the vehicleunder the hood in the engine compartment that clearly states OBD II compliant or certified. OBD-II protocols supported:ISO 9141, KWP2000SAE J1850 CAN J1850 VPW,J1850 PWM Vehicle Coverage:Works on all OBD2 Vehicles (1996 onwards in USA) and EOBD vehicles (Petrolcars from 2001 and diesel cars from 2003/2004 in Europe) How to setup Bluetooth pairing:BLE4.0 Dual mode version For Android users:Home screenGo to setting pageSelect V-LINK Default password is 1234Device 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 againConnected Specification:Supply Voltage: 11.5V15VSupply Current: <200MaStandby Current:Operating Temperature: -40--85Operating Humidity: 5%--95%RH Non-Dewfall