CT03 Power Circuit Tester, 6-24V DC Test Light Short Circuit, Automotive Component Electrical Polarity Identify Continuity Tester, Overload Protection

Professional-Grade Automotive Circuit Maintenance ToolDesigned specifically for automotive electrical system inspection, this all-in-one tester combines battery voltage measurement, polarity verification, conductivity testing, and fault diagnosis for headlights and motors. It precisely locates issues like short circuits and poor ground connections, making it an efficient companion for professional mechanics and DIY enthusiasts alike. | High-Sensitivity Rapid DetectionEquipped with advanced high-sensitivity probes, it responds to circuit signals in milliseconds, ensuring accurate readings of voltage and connectivity status. Compared with traditional testing methods, it cuts troubleshooting time by 50%, quickly pinpointing faulty wires and specific problem areas to significantly boost repair efficiency. | Full-Vehicle Coverage & Digital DisplayFeaturing an extra-long extended detection cable that reaches from the front to the rear of the vehicle, it enables comprehensive circuit system testing without blind spots. The integrated Digital screen displays real-time DC voltage values ranging from 3.5V to 36V (not suitable for AC power or voltages exceeding 36V). With clear and intuitive data presentation, its compatible with both 12V and 24V vehicle battery systems. | Ultra-Simple Operation & Plug-and-Play Connect the red clip to the positive terminal of the battery and the black clip to the negative terminal; the blue digital screen will display the current battery voltage in real-time. Activate the testing function by turning on the front headlights. In case of reverse connection, the screen wont display voltage but the indicator light stays on, offering intelligent error prevention for effortless use, even for beginners. | Attentive ServiceThe package includes the Tester, Accessories, Instruction Manual. We provide 24/7 online technical support, ensuring worry-free assistance from purchase consultation to post-purchase usage, making professional-grade circuit testing accessible to all.