If you’re looking for an OBD II & Electrical Test Tool that does it all, the AutoLink® AL539 is the answer. It supports all 10 modes of OBD-II tests, making it perfect for a complete diagnosis. Plus, with its unique patented One-Click I/M Readiness Key, circuit test, starting and charging systems test, TFT color display, and built-in speaker, it’s easy to use and extremely versatile. In other words, it’s exactly what you need to streamline automotive service and ensure rapid, accurate diagnosis and timely repair. So don’t wait any longer – order your AutoLink® AL539 today!