Power Analyzer/Datalogger Current Channels 3 For Phase Three Includes (8) AA Batteries 4V Leads with Alligator Clips Carrying Case SD Memory Card Universal AC Adapter (100 to 240V) Maximum AC Current Measured 1 200 A Power Factor 0 to 1 Voltage Channels 3 Calibration Frequency 60 Hz Communication Protocol RS-232 Crest Factor 1 to 9.99 Current Accuracy +/-0.5 Percent +5 Digits