Measurement of DC voltage, AC voltage, AC current true RMS, resistance, capacitance, frequency, on-off test, temperature, diode forward voltage drop and others parameters. 1. Model No.: ETCR6420 2. CT Size:Ф27mm 3. DC Voltage:0mV~600V 4. AC Voltage:0V-600V 5. AC Curent:0A-600A 6. Power Supply : LR03 X 2