The automotive circuit tester is an all-in-one diagnostic tool that integrates multimeter, oscilloscope, and circuit tracing capabilities, supporting voltage and polarity testing, continuity checks, resistance and diode detection, component activation, short circuit locating, and bad ground contact identification. Featuring a 2.4-inch HD TFT screen, it displays real-time voltage, frequency, and duty cycle curves for precise analysis. Designed for 9-30V systems, it is compatible with cars, trucks, SUVs, motorcycles, RVs, boats, and tractors, making it suitable for a wide range of users. Four smart work modes enable fast and efficient diagnosis, while a removable probe, 30A heavy-duty clips, built-in short circuit protection, anti-reverse connection, and LED lights ensure safe and flexible
This automotive circuit tester combines multimeter oscilloscope and circuit tracing functions to provide comprehensive electrical diagnostics for a wide range of vehicle systems in one convenient tool
Equipped with a 2.4-inch HD true color TFT screen this tester displays voltage frequency and duty cycle curves in real time making it easy to analyze faults and monitor electrical signals with clarity
Designed for universal compatibility this tool supports 9-30V systems and works with cars trucks SUVs motorcycles RVs boats and tractors ensuring versatility for both personal and professional automotive use
Featuring four smart work modes the tester enables fast 60-second system diagnosis including voltage and polarity testing continuity checks resistance and diode detection short circuit locating and component activation
User-friendly operation is ensured with easy-to-use physical buttons a removable probe 30A heavy-duty clips built-in short circuit protection anti-reverse connection and LED lights for safe use in dark environments
No complicated setup is required—simply plug and play for immediate use making this tool ideal for both experienced mechanics and DIY enthusiasts who need reliable electrical fault diagnosis and daily maintenance