- Compact and portable car circuit tester: Its compact, portable design makes it easy to carry and store, and it is a practical tool for on-the-go circuit testing and automotive electrical checks. - High-performance car circuit tester: Suitable for professional and personal use, offering a versatile and practical tool for anyone who needs to test circuits in automotive applications. - Voltage tester with spring lead: Built from robust materials, reliable for long-term use without damage or wear, a dependable electrical auto tester. - Electric tester: With versatile applications, ideal for circuit tests in automotive and electrical fields, a practical tool for vehicle electronics testing. Use scenarios: - On-vehicle diagnostics of circuits and wiring - On-site testing of wiring harnesses and fuses in service or shop settings - DIY electronics and auto repair projects