The features of 350 series digital multimeters #61-350 #61-352 #61-354(TRMS) include auto / manual ranging, non-contact voltage (NCV) 80-600V AC, measuring AC/DC current (352 and 354 only), measuring AC/DC voltage and resistance, measuring frequency and capacitance (352 and 354 only), audible continuity, data hold, low battery indication, auto power off, large numbers and symbols, electronic overload protection on all ranges.