This adapter not only allows for easy diagnosis of vehicles by converting heavy-duty trucks from 24V to 12V, but also supports protocol data transmission. Professional and lightweight, this 24V to 12V adapter cable is highly portable and convenient for use with X431 Easydiag 2.0/3.0/GOLO and Thinkdiag OBD2 Scanner. Constructed of durable PVC material, it provides strong tensile resistance and long-lasting use, making it an excellent accessory for auto repair and diagnostics tasks.