For most electrical needs. 600 VAC/VDC voltage test, 10 AC/DC amperage measurement. Temperature testing with thermocouple rated -58 to 400 deg F (-50 to 204 deg C). Continuity, diode, duty cycle and frequency testing. Resistance and capacitance measurement. Includes hold, relative reading, backlight, automatic power off and field replaceable fuses. 9 V battery included. Measurement category Cat III, 600 V. ETL approved.