Tekpower TP2844R True RMS Auto-ranging Digital Multimeter For General Purpose With High Accuracy and Resolution, True-RMS AC/DC 600V/10A + Capacitance, Resistance, Frequency, Diode Check, Continuity AC+DC True RMS (Root Mean Square) Measurement Auto and Manual Ranging with Relative measurement (all ranges except frequency) All range fused with 1 Year Warranty Auto power off (could be disabled) & LED Back-lit LCD display with a maximum reading of 5,999