Measurement of DC current and voltage、AC current & voltage true RMS, resistance, surge, capacitance, frequency, on-off test, temperature, diode forward voltage drop and others parameters. 1. Model No. : ETCR6450 2. DC Voltage : 400mV/4V/40V/400V/1000V 3. AC Voltage : 400mV/4V/40V/400V/700V 4. AC Current : 4A/40A/400A/1000A 5. Resistance : 400Ω/4kΩ/40kΩ/400kΩ/4MΩ/40MΩ 6. Power Supply : 6F22 9VX1