3 3/4 Digit LCD, with max. rdg. of 3999 True RMS Measurements (45Hz to 1KHz) AC Voltage Ranges to 600V AC Current Ranges to 1000A DC Voltage Ranges to 600V DC Current Ranges to 1000A Resistance Ranges to 400 ohms Avg. AC Responding Measurements DCA Zero Adjustment Knob Continuity Test Frequency Test Diode Test Peak Hold Auto Ranging Carrying Case