Etekcity Digital Clamp Meter Multimeter, MSR-C600 Auto-Ranging Multimeters AC/DC voltmeter Ammeter with Voltage, AC Current, Resistance, Amp, Volt, Ohm, Diode and Continuity Test Tester, Red/Black Autoranging clamp multimeter measures AC currents, AC/DC voltage, resistance, and also provides diode and continuity tests The clamp measures the AC current in a conductor up to 26mm without interrupting the circuit Additional features include: Data Hold, Max Reading, and an easy-to-read large LCD Comes with a handy carrying pouch, perfect for use while you're on the go Automatically enters sleep mode after 15 minutes of inactivity for energy conservation; 1-year warranty and lifetime support from Etekcity