This is an ELM327 Wi-Fi interface diagnostic scanner， supports OBD-II protocols. Itis used to read & diagnose trouble codes， clear trouble codes and detect fuelpressure and so on. OBD-II Software forELM327 is a free program.After check， the ELM327 Wi-Fi interface will quickly send data to your iPhone， iPad， iPod Touch or Windows computer from your vehicle in short time. Easily and quickly!Features：1.100% Brand New & High Quality2.Small & Multifunctional， not occupy space and great for placing in the car3.Read diagnostic trouble codes， both generic and manufacturer-specific， and display their meaning (over 3000 generic code definitions in the database)4.Userfriendly and convenient， you could know the conditions of your car anytime5.Software included in CD for Smart-phone， PC and iOS (iPhone， iPad， iTouch， Mac)Instructions:1. Install a compatible automotive diagnostic application in the host device.2. Plug this OBD2 Wi-Fi scanner into your car， connect it to a Wi-Fi enabled device.3. Then the ELM327 interface will quickly send data to your iPhone， iPad， iPod Touch or Windows computer from your vehicle.4. Following are some of the parameters which could be read from the vehicle: RPM Fuel Trim Fuel Level Fuel Pressure Vehicle Speed Mass Air Flow Air Intake Temp Timing Advance Throttle Position Fuel Consumption Barometric Pressure Engine Coolant Temp Calculated Engine Load Intake Manifold Pressure EVAP System Vapor Pressure Note: Your vehicle may not support all above parameters. How many parameters you can get is depended on the vehicle manufacturer’s implementation.Color: BlackNet Weight: 67gSSID: Wi-Fi OBDIIAntenna: Internal powerSize: Approx.86*45*25mmWi-Fi standard: 802.11a/b/gRange: Approx.50ft (line of sight)Consumption: 0.75 watts (with power switch)Operating temperature: -15 to 100 Deg CelsiusPackage:1 x Software CD1x ELM327 Wi-Fi OBDII Interface diagnostic scanner