Features: The EM289 digital auto Circuits tester features real time voltage display (4 to 60VDC) for precise diagnostics across 6V, 12V, 24V, and 48V vehicle systems, making it essential vehicle diagnostic tool. Equipped with color LED polarity indicators (red for positive, green for negative) and a retractable 3 meter test wire, this voltage Detectors efficiently identifies shorts, breaks, and wire Way in automotive circuits. designs for repair man , DIY enthusiasts, and automotive technicians needing reliable car electrical testers for routine maintenance or complex electrical troubleshooting. Perfect for garage repairs, roadside assistance, or workshop environment to confirm battery voltage, track wiring faults, and test electrical components in car, motorcycles, or trucks. Its strong plastic housing and bright LED digital screen ensure clear visibilities and long service performances during demanding automotive electrical testing tasks. Specifications: Material: plastic Cable length: about 3meter /118.11inch Voltage ranges: 4-60V Package Includes: 1xCar Circuits Tester note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.