**Product Description: Advanced Auto Circuit Tester for Efficient Fault Detection** - **Function**: This auto circuit tester is specifically designed to detect low voltage circuit faults in transport machinery. It enables you to quickly and safely identify problems, making it an essential tool for any automotive professional or enthusiast. - **Digital Display**: Equipped with a digital display, this circuit probe tester allows you to view voltage readings clearly and accurately. With a voltage display range of 2.5‑35V, it ensures precise diagnostics for a variety of electrical systems. - **Wide Application**: Versatile and adaptable, this voltage tester pen is suitable for use on cars, motorcycles, bulldozers, rollers, excavators, and more. It is ideal for a wide range of transport maintenance operations, providing reliable performance across different vehicles and machinery. - **Probe Pen Shape**: Designed for ease of use, the voltage test pencil features a convenient probe that enhances usability. A protective cap safeguards the probe from damage, preventing it from falling or bending, thus ensuring longevity and reliability. - **Exquisite Manufacturing**: Made from high-quality materials, this electric circuit detector is durable and resistant to damage. The spring wire is flexible and can be stretched as needed, offering convenience and adaptability during testing. Optimize your vehicle maintenance with this high-performance auto circuit tester, offering precision, durability, and wide applicability. Its user-friendly design and digital display make it an indispensable tool for diagnosing electrical issues swiftly and effectively.