The Triplett 23 is a 3-3/4 digit (4 count) pocket sized digital multimeter with a built-in hard case. It offers a variety of measurement features including AC/DC Voltage, AC/DC Current, Resistance, Continuity, Diode Test, Frequency, and Capacitance. The ABS plastic housing provides impact and drop resistance in an ergonomic design, and the user-friendly Auto Power Off feature helps maximizes battery life. Includes integrated test leads and (2) LR44 batteries. 3 year warranty.