KONNWEI OBD II adapter is a powerful car diagnostic tool developed to comply with full OBD IIEOBD specifications. It supports various wireless connection modes to connect your smartphone or tablet. The adapter reads real-time car engine data, such as engine speed, ignition timing, fuel trim, water temperature, and fuel consumption. It is compatible with a wide range of OBD II apps.This KONNWEI OBD II adapter is a high-quality automotive Bluetooth 4.0 OBDII scanner.Features:1. CLEAR CHECK ENGINE LIGHT This code reader helps diagnose check engine light issues accurately and allows users to clear diagnostic trouble codes. Easy to use.2. EASY FITMENT Most vehicles manufactured in the past two decades are equipped with an OBD2 diagnostic port. Simply locate the port and plug in the device.3. FIT AND FORGET Its compact size and power-saving design help preserve vehicle battery life.4. WORKS WITH HUNDREDS OF APPS The Bluetooth Low Energy device is compatible with popular OBD apps. Download instructions for Android devices are available in the app store.Functions:- Read diagnostic trouble codes, including both generic and manufacturer-specific codes, and display their definitions (over 3000 generic code definitions included).- Clear trouble codes and turn off the MIL (Check Engine light).- Display real-time data including:- 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 and associated short term fuel trims- Fuel System status- Fuel PressureTips before purchase:To ensure OBD II compliance, your vehicle must have a 16-pin DLC (Data Link Connector) under the dashboard. The Vehicle Emission Control Information Label should state that the vehicle is OBD II compliant. Additionally, look for a sticker in the engine compartment that indicates OBD II compliant or OBD II certified.OBD-II protocols supported:- SAE J1850 PWM (41.6 Kbaud)- SAE J1850 VPW (10.4 Kbaud)- ISO9141-2 (5 baud init, 10.4 Kbaud)- ISO14230-4 KWP (5 baud init, 10.4 Kbaud)- ISO14230-4 KWP (fast init, 10.4 Kbaud)- ISO15765-4 CAN (11bit ID, 500 Kbaud)- ISO15765-4 CAN (29bit ID, 500 Kbaud)- ISO15765-4 CAN (11bit ID, 250 Kbaud)- ISO15765-4 CAN (29bit ID, 250 Kbaud)- SAE J1939 CAN (29bit ID, 250 Kbaud)Vehicle Coverage:Compatible with all OBD2 vehicles (1996 and later in the USA) and EOBD vehicles (gasoline vehicles from 2001 and diesel vehicles from 20032004 in Europe).Bluetooth pairing instructions:BLE 4.0 Dual Mode VersionFor Android users:- From home screen, go to Settings- Select Bluetooth and search for device "V-LINK"- Default password is 1234- Once paired, open Torque app- Go to OBD II adapter settings- Select connection type: Bluetooth- Choose Bluetooth device: V-LINK- Exit and restart the app to establish connectionFor iOS users:- From home screen, go to Settings- Enable Bluetooth- Note: Device name may not appear in Bluetooth list- Open compatible OBD app (e.g., Accurate)- Go to app settings and select Bluetooth connection- Follow in-app instructions to connect- Restart the app after connection setupSpecifications:- Supply Voltage: 11.5V 15V- Supply Current: