Tekpower M320 Auto-ranging AC/DC Pocket size Digital Multimeter AC/DC 600V/400mA + Capacitance, Resistance, Frequency, Diode Check, Continuity 3 3/4 digit display with a maximum reading of 3,999 Auto ranging on all measurements All range fused with 1 Year Warranty Compact size measuring 4.75 x 2.75 x 1 inches with built-in test leads holder