This document provides specifications for APLab's Digital Multimeter Model 1003. It can measure AC/DC voltage, AC/DC current, resistance, continuity, diode test, and dB. It has a 31⁄2 digit LED display, measures up to 1000V and 1A, and has accuracy of 0.1% for DC voltage and 0.5% for AC voltage. The device is portable with a table top design, has overload protection, and comes with test leads and a 600 ohm termination for dB measurements.