Sperry Instruments DSA500A Digital Snap-Around Clamp Meter, 5 Function, 9 Range, 400-600V AC/DC, with Case, Measures Outlet & Panel Voltage Measures AC Current, AC/DC Voltage, Resistance, Continuity Data hold capability to maintain reading on an easy to read LCD display Auto power off functionality to save you battery life Compact lightweight design Includes convenient carrying case to protect the meter and keep it clean