1. Versatile automotive circuit tester for multiple tasks - Voltage testing, polarity detection, component activation, continuity checking, and grounding are supported - Designed for diagnosing all 6V to 36V automotive systems - Capable of tracing shorts and testing trailer lights and connectors 2. Durable construction for reliable field use - Built from thick material for lasting performance - Includes a 16-foot test lead, large clips, and long steel probes for versatile reach - One-handed operation is easy and practical - High-sensitivity stainless steel probes ensure accurate readings 3. Buzzer alert for quick and safe diagnosis - Equipped with a buzzer to help identify electrical problems quickly - If current exceeds 8A, the tester automatically disconnects and sounds an alarm 4. User-friendly and straightforward to use - Simple operation: connect the red clip to the positive terminal and the black clip to the negative battery terminal - Blue digital display shows the current battery voltage - Small, easy to operate, and suitable for any automotive technician Key specifications and features - Voltage range: 6V to 36V - Test lead length: 16 feet - Probes: long stainless steel probes (high-sensitivity) - Clamps: large clips for secure connections - Buzzer alert with auto-disconnect at 8A - Display: blue digital voltage readout - Construction: thick, durable materials designed for rugged use Practical use scenarios - Routine battery and electrical system checks on cars, trucks, and other 6V-36V vehicles to verify voltage and polarity - Tracing shorts and diagnosing grounding issues in wiring harnesses - Testing trailer lights and trailer connectors during installation, towing setup, or diagnostic checks - Quick component activation and continuity verification during repair or maintenance tasks This tester provides a straightforward, dependable solution for diagnostic work on automotive electrical systems, combining a broad voltage range, durable construction, clear digital readings, and a safety buzzer that enhances reliability in field conditions.