BK Precision 2709B Auto-Ranging, True RMS Digital Multimeter, 10 Amp, 750VAC, 1000VDC, 66 Megaohms, 66 Millifarads, 66 MHz Digital multimeter measures current, voltage, resistance, capacitance, and frequency True RMS (root mean square) meter provides accurate readings when measuring linear or nonlinear loads where the current or voltage has an undistorted or distorted waveform Audible continuity sensor confirms a circuit conducts electricity, and diode test detects proper functioning of a circuits diodes Backlit LCD is readable in low light and displays present measurement or the maximum and minimum values for the session Meets International Electrotechnical Commission (IEC) safety standard 61010 and is certified for Category II installations up to 1,000V and Category III installations up to 600V