The General Technologies CT8027 Digital Multimeter has all of the measurement functions found in a quality digits/analog bargraph digital multimeter: AC/DC voltage and current, resistance and continuity test. This multimeter also offers special automotive functions like tachometer, dwell, temperature, pulse width measurement for electronic fuel injectors, frequency and diode testing. Comes with all the accessories needed, including test probes, temperature probe, inductive pick-up, holster, 9V battery, user’s manual, and a hard carrying/storage case.