Power Probe CAT-IV Digital Multimeter (PPDMM) [Measures AC/DC Voltage, Current Resistance, Frequency, Duty Cycle, True RMS, Temperature & Capacitance] CAT-IV 600V Hybrid Safe AC/DC Voltmeter Measures Resistance to 60M Ohms Measures Current from .001Amps to 10 Amps Measures Temperatures from -4F - 1832F (-20C - 1000C) Large 6000 Count LCD Display with Backlight for easy viewing Measures Frequency and Duty Cycle