- Car electrical tester with a long probe to reach hard-to-access areas; suitable as a car digital circuit tester for on-vehicle diagnostics. - Automotive tester compatible with most cars and automotive electrical systems; supports diagnostics across a wide range of makes. - Electrical system tester with high-precision voltage measurement; 0-02v low error for accurate readings. - Electrical tester with a long, elastic spring cable for easy operation and maneuverability during testing. Use scenarios - In an engine bay, test battery voltage and sensor wiring in tight spaces where ordinary probes cannot reach. - Verify power delivery at fuses, relays, and connectors across various automotive circuits to locate voltage drops or open circuits. - Inspect low-voltage digital circuits and sensors in vehicles or small electronic modules that require precise voltage readings.