TRUE-RMS CLAMP METER: Measure AC-DC Voltage and AC current, Multi function capable for Resistance, Diode, Continuity, Frequency measurements NCV DETECTION FUNCTION: Non-contact voltage detection effectively check electrical status through measuring EM field intensity without touching any wires. BIG LCD DISPLAY: Big LCD display Clear white backlight for measurement is dark areas FLASH LIGHT: Includes a built in torch for testing in dark areas or dark electrical panel OVERLOAD PROTECTION: 600A full range overload protection for additional safety