Digital Multimeter True RMS Auto-Ranging AC/DC Voltage Current Capacitance Frequency Duty Cycle Temperature NCV LCD Backlight 5999 Count with Sound Control Smart-V The world's first ever multimeter with Voice/Sound Control LCD backlight. It can sense the lack of illumination and automatically activate the sound control model. True RMS, Auto Ranging Measurement. Auto power off and with Voice / Sound Control LCD Backlight Display (the backlight also can be controlled manually.) Measuring ability: AC/DC Voltage, AC/DC Current, Resistance, Diode, Continuity, Capacitance, Frequency, Duty Cycle, Temperature, Non-Contact Voltage Detection(NCV). Maximum Display:5999. Auto Ranging Multimeter with Backstand. Designed to safely and accurately troubleshoot a variety of automotive and household electrical problems. DMiotech Smart-V Digital Multimeter comes with a one-year warranty and lifetime support guarantee. Our DMiotech products have the CE Certification.