- Equipped with color LED polarity indicators (red for positive, green for negative) and a retractable 3-meter test wire, this electrical detector efficiently identifies shorts, breaks, and wire paths in automotive circuits. - The EM289 Digital Auto Circuits Tester features a real-time electrical display (4 to 60 VDC), enabling precise diagnostics for 6 V, 12 V, 24 V, and 48 V vehicle systems, making it an essential tool for vehicle diagnostics. - Designed for repair professionals, car enthusiasts, and automotive technicians, this reliable electrical tester is ideal for routine maintenance and complex electrical troubleshooting. - Perfect for garage repairs, roadside assistance, or workshop environments, this tool helps confirm battery functionality, trace wiring errors, and test electrical components in cars, motorcycles, or trucks. Key Features: - Real-time voltage display for accurate diagnostics - Compatible with a wide range of vehicle systems (6 V to 48 V) - Durable and user-friendly design for both professionals and DIYers Use Cases: 1. Quickly diagnose electrical issues in your vehicle at home or on the go. 2. Conduct routine maintenance checks to ensure optimal performance of automotive electrical systems. 3. Troubleshoot wiring problems in various vehicles, including cars, motorcycles, and trucks, with ease and precision.