Features: This digital automotive circuit tester accurately measures voltages from 5V to 120V, checks resistance/continuity, and features a bright LED display for real time readings in vehicle electrical diagnostics. Built with ABS insulated casing for shock protections, it combines a retractable 140cm spring loaded clip and compact design for quick connection in tight engine compartments. Ideal for mechanics, car enthusiasts, and electricians needing voltages measurement tools for automotive repairs, home circuitry checks, or industrial maintenance tasks. Perfect for troubleshooting battery systems, testing fuses/relays, or verifying live wires during roadside emergencies and workshop diagnostics with its portable electrical testing capabilities. Engineered with auto ranging technology and anti slip grips, this professional electrical diagnostic pen delivers laboratory grade precisions in harsh environments while remaining pocket sized. Specifications: Component: Plastic shell Cable Length: about. 140cm/55.12in (retractable) Measurement ranges: 5-120V Package Includes: 1pc Test Pen note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.