This meter is a high-performance 3 5/6-digit digital auto-range automotive multi-meter. Besides AC and DC voltage, AC and DC current, resistance, continuity, diode, capacitance, temperature, frequency, duty cycle measurement functions, this meter can also measure RPM, dwell angle and pulse width. It features relative measurement, data hold, back light, low battery indication, over range indication, auto power off, meter-to-PC communication and etc. It is an ideal measurement tool for automotive repair and service personnel.