Basic measurement accuracy 0.1% & speed upto 10 meas sec Large LCD display with bright white backlight Ultra low power consumption, battery powered for 2 hours of continuous use Automatic identification function (Ai). Percentage display & 4 tolerance comparator : 1%, 5%, 10% & 20% 9V battery & External power supply Automatic correction function with datahold, max. min. average recording Utility function configuration & current setup recovery after power off Standard Mini-USB interface, SCPI compatible Auto power Off Constant output impedance : 100 ohm