This is a universal 12V automotive relay tester checker with LED indicator light designed to diagnose and check the functionality of relays in your vehicle. It is a CNBJ707 model. This tool is essential for car enthusiasts and professionals who want to ensure their vehicle's electrical system is in top condition. It is easy to use and provides reliable results, making it an excellent addition to your automotive tool collection. Perfect for quickly checking relays while diagnosing electrical problems. Please review photos and feel free to reach out if you have any questions!