Digital Panel Meter, AC Voltage, Input Range 0 to 600V AC, Accuracy +/-0.2 Percent of reading +/-1 count, Display Span 1999, Display Digits 3-1/2, Red LED Display, Two SPDT Rated 5 Amps @ 250V AC Relays, True RMS -, No Excitation, Use With -, Fits 1/8 DIN Cutout, Connector Type Screw Terminal, Process Connection -, Power Required 120 V AC, - Interface, Output -, - NEMA Rating, Depth 3.25 in, Mounting Clip, Style Hawk 3, Includes Instructions