True RMS for the most accurate measurement when harmonics are present. AC amperage, AC/DC voltage, frequency and resistance measuring capability. Easy-to-read backlit display for use in low light conditions. Peak and data hold to capture measurement. MIN/MAX feature for added versatility. Analog bar graph to view quick changes. Selectable Auto Off for longer battery life. Accessories included: (1) 9V battery, test leads, carrying case. Lifetime limited warranty.