The Triplett 9045 is a 3-3/4 digit (6000 count) high performance digital multimeter with True RMS readings. It offers a large variety of measurement features including AC/DC Voltage, AC/DC Current, Resistance, Temperature, Frequency, Capacitance, Continuity, and Diode Test. The rubberized overmolded housing provides impact and drop resistance in a sleek ergonomic design, and the user-friendly Auto Power Off feature helps maximize battery life. CAT III 600V design provides superior resistance to damage from transient overvoltages in any demanding industrial settings. The Model 9045 is suited for a variety of industrial and residential applications such as security, home theater, electrical, HVAC installations and more. Includes test leads, alligator clips, K type temperature probe, and 9V battery. 3 year warranty.