- Efficient Anti-Loss Design: This automobile circuit tester features a compact and integrated structure that combines the probe with a protective cover. This design ensures the probe guard remains intact, reducing the chances of misplacing components or damaging the probe. - Easy-to-Read Digital Display: The circuit tester is equipped with a clear digital display that provides accurate readings, allowing you to quickly identify electrical issues and make precise diagnoses without guesswork. - User-Friendly Operation: With its bidirectional voltage test capability and LED indicator, the circuit tester simplifies usage. The red light indicates straight polarity, while the green light signifies subtractive polarity, making it easy to assess the electrical status. - Safe Testing Features: Protect your vehicle's computer board with the built-in chip that prevents damage during testing. The device includes an anti-bending tail wire and spring wire, which ensures reliable results across a variety of measuring ranges without the risk of poor connections. Use Scenarios: - Quickly diagnose battery issues in your car by checking voltage polarity and ensuring the correct connections before replacement. - Troubleshoot electrical problems in automotive lighting systems by identifying faulty connections and ensuring proper wiring. - Conduct regular maintenance checks on vehicle systems to prevent electrical failures and enhance overall vehicle performance. This automobile circuit tester is designed for compatibility with a wide range of vehicles and is made from durable materials for long-lasting performance. Experience reliable and efficient electrical testing with this essential tool.