The Extech DL160 is a Dual Input True RMS AC Voltage/Current Data logger simultaneously logs data on 2 channels of up to 256,000 readings of TRMS AC Voltage (600V) or Current (200A) or one AC Voltage and one AC Current input with a user programmable sample rate from 1 second to 24 hours. The LCD displays time/date, current reading, and min/max. Readings can be downloaded to a PC via the USB interface and features Normal, Peak, and Capture (user specified trigger level) recording modes.