Reliable diagnoses Hardened and tempered carbon steel probes deliver precise circuit tests with durability for repeated use. The robust probes help you trust the results and reduce false readings. Intuitive test light An integrated test light clearly indicates a complete circuit, making it easy to spot open or faulty connections and perform quick corrections without guesswork. Portable for outdoor use Compact and lightweight design for easy transport and field testing. Ready for outdoor jobs, job sites, or on-site inspections. Efficient probe for rapid testing Designed for quick, accurate checks with easy isolation, enabling fast diagnostics and minimal setup time. Use scenarios - Automotive electrical troubleshooting: test wiring, sensors, fuses, and switches on vehicles at the roadside or in the shop. - Field service and outdoor equipment: diagnose wiring and connections on lawn tools, generators, or portable power setups. - Home and electronics wiring checks: verify circuits and continuity in panels, outlets, or DIY electronics projects. Materials and performance Probes are built from hardened and tempered carbon steel for long life and consistent measurements. The integrated light aids quick confirmation of connections, while the compact form supports convenient handling and transport.