ESM Series Digital Multimeters. True RMS for no-compromise accuracy. Measures voltage, current,resistance, capacitance and frequency. Tests continuity and diodes. Backlit LCD with dual 10,000 count displays. BeepJack warns when test leads are incorrectly inserted in current measurement terminals. Automatic and manual range selection. Relative offset mode to see changes in measurements. Data hold. Crest capture (peak hold) plus recording of max, min, max-min and average. Two voltage detection modes, non-contact or using a single test lead. One temperature measurement using a type K thermocouple. Conductance measurement. Use optional USB interface DMSC-9U for direct-To-PC logging. Lifetime limited warranty. Accessories included: (1)9V battery, test leads, protective boot, carrying case.