This digital automotive multimeter from Performance Tool performs all standard automotive electrical tests on the car or bench troubleshooting. It measures and sets typical automotive functions with the tach and dwell setting, tests electrical components for faulty wiring and voltage, and checks starting, charging, or fuel delivery system voltage, and diode function. With an extra-large easy-to-read digital LCD, UL listed leads and probes, automatic reverse polarity indication, and overload protection on all ranges, this multimiter is ideal for any mechanic that services cars and trucks.