Accurate Digital Readouts: The tool feature clear LCD displays showing measurements for voltages, current, and testing results, eliminating guesswork from traditional testers Professional Detection: The car tester quickly identifies blown, loose, or overloaded fuses without removal, significantly improving automotive circuit repair efficiency Compact & Portable Design: Lightweight size fit easily in car toolboxes, home set, or repair bags for automotive, household, construction, and outdoor electrical troubleshooting Multifunction Pen: Features alternating current / direct current voltages detection, live / neutral wire identification, circuit continuity testing, and leakage screening, replacing multiple single function testers This automotive circuit fault probe tester combines a car current tester with digital voltages pen function, providing essential tool for automotive circuit diagnostics and home / industrial electrical testing in 1convenient package, Manufacturer: yanwuwa