ScanTool OBDLink SX USB: Professional Grade OBD-II Automotive Scan Tool for Windows &ndash; DIY Car and Truck Data and Diagnostics PROFESSIONAL GRADE SCAN TOOL: Transform your Windows PC, laptop, or tablet into an accurate automotive diagnostic device (not compatible with Apple iOS devices) DIY VEHICLE DIAGNOSTICS: Save time and money by reading and clearing 'check engine' and trouble codes yourself and determine problems before consulting a mechanic FREE FIRMWARE AND SOFTWARE UPGRADES: System includes a free license key for OBDwiz diagnostics software for easy to access graphs, logs and real-time engine data exports MAXIMUM VEHICLE COVERAGE: Works on more vehicles than any scan tool on the market including all 1996+ cars and light trucks sold in the USA (except hybrid or electric vehicles) SATISFACTION GUARANTEED: Your ScanTool is supplied with a 90-day money back guarantee if you are unsatisfied for any reason, along with a 3-year repair or replace manufacturer warranty