The Innova 3320 Auto-Ranging Plus DMM eliminates the need to dial in the correct range when making electronic measurements. Its uses include automotive circuits, breakers, wiring, vehicle battery & charging systems, electrical components and more. Product Features:Auto-Ranging scales automatically selects correct measurement range. Easy for novice, faster for pros.10 MegOhm input impedance for safe electrical and automotive useColor-coded LED's display battery quick checkIncludes attachable test leads, holders & standU/L listed for safety & qualityAuto shut-off featureMeasure DC & AC Current - DC-A/DC-mA & AC/mA