Overload protection voltage upt to max. 600V in resistance range, continuity and diode check Arc-typed 40 segment analog bar graph 10 A fused with input overload protection Frequency measuring(Volt/Amper-Hz) Relative mode Frequency mode Capacitance Low battery indication AC Voltage mode True RMS Auto power off UL3111-1 Designed for EN 61010-1 requirements Double insulated input jack