This 24V To 12V Converter OBD2 Adapter is a must-have for heavy duty truck diagnostic OBD scanners. It is compatible with Launch EasyIEP 3.0, golo 3.0 and other similar scanners. This converter is designed to convert 24V to 12V, making it easier to use your scanner on heavy duty trucks. It is a reliable and efficient tool that will help you diagnose and troubleshoot any issues with your vehicle. This product is perfect for automotive professionals and DIY enthusiasts alike. With its compact design and easy-to-use interface, you can easily connect it to your scanner and start diagnosing your vehicle.