This vintage test light probe includes probes, a 12-volt bulb, and a spare bulb, ensuring reliable performance for testing electrical circuits. The product has been tested and confirmed to be in working condition. Despite lacking a warranty, the inclusion of a new bulb and spare enhances the value and longevity of this essential tool for automotive diagnostic testing. Ideal for use in electrical testers and automotive tools, this vintage test light probe offers a reliable solution for identifying and troubleshooting electrical issues.