Upgraded models now feature super large LCD display and touch keypad " LCD displays readings in mA or as a % of the 0 to 24mA range or as mV in voltage ranges " Five stored ration values for fast rations " 412355A Current + Voltage rator provides adjustable 0 to 24mA and 0 to 20V ration source " 412300A Current rator provides 0 to 24mA output displayed as mA or % and provides 24VDC power to measure a two-wire current loop " Complete with 9V battery, ration cable with spade lug terminals, carrying case, and 100V-240V AC Universal Adaptor (50/60Hz)