Functions and Range: Voltage AC/DC: 400mV – 600V. Current AC/DC: 40A – 1,000A. Resistance: 400 – 40M. Capacitance: 4nF – 40mF. Frequency: Up to 4kHz. Diode Test: 1.5V. Continuity Test: 35. Temperature: -40° – 1,000°C. Specifications: Power Source: 9V battery (included). Display: 4,000 Count backlit LCD. Clamp size: Max. 30mm O.D. cable. Overload protection: CAT III 600V. Automatic polarity indication. Auto Power-Off. AutoRanging. True RMS. Data and Peak Hold. Bar Graph Display.