True RMS clamp meter. AC amperage, AC/DC voltage measurement. True RMS for the most accurate measurement where harmonics are present. Quick, easy operation. Auto power off for longer battery life. Resistance measurement. Audible continuity and diode tests. Frequency measurement. Data hold to capture measurement. 4000 count LCD. Accessories included: Test leads, 3 V Standard button battery (IEC-CR 2032; ANSI-NEDA 54004LC). Lifetime limited warranty.